Signaling for sub-slot time-domain resource allocation

ABSTRACT

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that signaling associated with a resource allocation is associated with a service type. The UE may identify a time-domain resource, for a transmission associated with the service type, in connection with determining that the signaling associated with the allocation is associated with the service type. Numerous othNo errors found.er aspects are provided.

CROSS-REFERENCE TO RELATED APPLICATIONS UNDER 35 U.S.C. § 119

This application claims priority to Provisional Patent Application No.62/670,540, filed on May 11, 2018, entitled “TECHNIQUES AND APPARATUSESFOR PERFORMING SIGNALING FOR TIME-DOMAIN RESOURCE ALLOCATION OFULTRA-RELIABLE LOW LATENCY COMMUNICATION (URLLC),” and to ProvisionalPatent Application No. 62/720,897, filed on Aug. 21, 2018, entitled“TECHNIQUES FOR MULTIPLE FEEDBACK TRANSMISSIONS PER SLOT IN WIRELESSCOMMUNICATIONS,” which are hereby expressly incorporated by referenceherein.

FIELD OF THE DISCLOSURE

Aspects of the present disclosure generally relate to wirelesscommunication, and to techniques and apparatuses for signaling forsub-slot time-domain resource allocation.

BACKGROUND

Wireless communication systems are widely deployed to provide varioustelecommunication services such as telephony, video, data, messaging,and broadcasts. Typical wireless communication systems may employmultiple-access technologies capable of supporting communication withmultiple users by sharing available system resources (e.g., bandwidth,transmit power, and/or the like). Examples of such multiple-accesstechnologies include code division multiple access (CDMA) systems, timedivision multiple access (TDMA) systems, frequency-division multipleaccess (FDMA) systems, orthogonal frequency-division multiple access(OFDMA) systems, single-carrier frequency-division multiple access(SC-FDMA) systems, time division synchronous code division multipleaccess (TD-SCDMA) systems, and Long Term Evolution (LTE).LTE/LTE-Advanced is a set of enhancements to the Universal MobileTelecommunications System (UMTS) mobile standard promulgated by theThird Generation Partnership Project (3GPP).

A wireless communication network may include a number of base stations(BSs) that can support communication for a number of user equipment(UEs). A user equipment (UE) may communicate with a base station (BS)via the downlink and uplink. The downlink (or forward link) refers tothe communication link from the BS to the UE, and the uplink (or reverselink) refers to the communication link from the UE to the BS. As will bedescribed in more detail herein, a BS may be referred to as a Node B, agNB, an access point (AP), a radio head, a transmit receive point (TRP),a New Radio (NR) BS, a 5G Node B, and/or the like.

The above multiple access technologies have been adopted in varioustelecommunication standards to provide a common protocol that enablesdifferent user equipment to communicate on a municipal, national,regional, and even global level. NR, which may also be referred to as5G, is a set of enhancements to the LTE mobile standard promulgated bythe Third Generation Partnership Project (3GPP). NR is designed tobetter support mobile broadband Internet access by improving spectralefficiency, lowering costs, improving services, making use of newspectrum, and better integrating with other open standards usingorthogonal frequency division multiplexing (OFDM) with a cyclic prefix(CP) (CP-OFDM) on the downlink (DL), using CP-OFDM and/or SC-FDM (e.g.,also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) onthe uplink (UL), as well as supporting beamforming, multiple-inputmultiple-output (MIMO) antenna technology, and carrier aggregation.However, as the demand for mobile broadband access continues toincrease, there exists a need for further improvements in LTE and NRtechnologies. Preferably, these improvements should be applicable toother multiple access technologies and the telecommunication standardsthat employ these technologies.

SUMMARY

In some aspects, a method of wireless communication, performed by a userequipment (UE), may include determining that signaling associated with aresource allocation is associated with a service type; and identifying atime-domain resource, for a transmission associated with the servicetype, in connection with determining that the signaling associated withthe resource allocation is associated with the service type, wherein thetime-domain resource is identified based at least in part on at leastone of a reference point associated with the resource allocation or aunit of granularity associated with the resource allocation.

In some aspects, a user equipment for wireless communication may includememory and one or more processors coupled to the memory. The memory andthe one or more processors may be configured to determine that signalingassociated with a resource allocation is associated with a service type;and identify a time-domain resource, for a transmission associated withthe service type, in connection with determining that the signalingassociated with the resource allocation is associated with the servicetype, wherein the time-domain resource is identified based at least inpart on at least one of a reference point associated with the resourceallocation or a unit of granularity associated with the resourceallocation.

In some aspects, a non-transitory computer-readable medium may store oneor more instructions for wireless communication. The one or moreinstructions, when executed by one or more processors of a userequipment, may cause the one or more processors to determine thatsignaling associated with a resource allocation is associated with aservice type; and identify a time-domain resource, for a transmissionassociated with the service type, in connection with determining thatthe signaling associated with the resource allocation is associated withthe service type, wherein the time-domain resource is identified basedat least in part on at least one of a reference point associated withthe resource allocation or a unit of granularity associated with theresource allocation.

In some aspects, an apparatus for wireless communication may includemeans for determining that signaling associated with a resourceallocation is associated with a service type; and means for identifyinga time-domain resource, for a transmission associated with the servicetype, in connection with determining that the signaling associated withthe resource allocation is associated with the service type, wherein thetime-domain resource is identified based at least in part on at leastone of a reference point associated with the resource allocation or aunit of granularity associated with the resource allocation.

In some aspects, a method of wireless communication, performed by a basestation (BS), may include determining signaling for a time-domainresource allocation for a transmission associated with a service type toor from a UE based at least in part on determining the UE cancommunicate using the service type; and transmitting the signaling,wherein the time-domain resource is identified based at least in part onat least one of a reference point associated with the resourceallocation or a unit of granularity associated with the resourceallocation.

In some aspects, a base station for wireless communication may includememory and one or more processors coupled to the memory. The memory andthe one or more processors may be configured to determine signaling fora time-domain resource allocation for a transmission associated with aservice type to or from a UE based at least in part on determining theUE can communicate using the service type; and transmit the signaling,wherein the time-domain resource is identified based at least in part onat least one of a reference point associated with the resourceallocation or a unit of granularity associated with the resourceallocation.

In some aspects, a non-transitory computer-readable medium may store oneor more instructions for wireless communication. The one or moreinstructions, when executed by one or more processors of a base station,may cause the one or more processors to determine signaling for atime-domain resource allocation for a transmission associated with aservice type to or from a UE based at least in part on determining theUE can communicate using the service type; and transmit the signaling,wherein the time-domain resource is identified based at least in part onat least one of a reference point associated with the resourceallocation or a unit of granularity associated with the resourceallocation.

In some aspects, an apparatus for wireless communication may includemeans for determining signaling for a time-domain resource allocationfor a transmission associated with a service type to or from a UE basedat least in part on determining the UE can communicate using the servicetype; and means for transmitting the signaling, wherein the time-domainresource is identified based at least in part on at least one of areference point associated with the resource allocation or a unit ofgranularity associated with the resource allocation.

In some aspects, a method of wireless communication, performed by a userequipment (UE), may include receiving, by the user equipment, aconfiguration of time-domain resource allocation parameters comprising afirst set of parameters associated with a first service type, and asecond set of parameters associated with a second service type, whereinthe first service type and the second service type are associated withdifferent transmission time interval (TTI) durations; receiving controlinformation comprising a resource allocation; determining at least onetime-domain resource allocation parameter associated with the resourceallocation based at least in part on the configuration and whether theresource allocation is for the first service type or the second servicetype; and communicating with a base station in accordance with theresource allocation and the at least one time-domain resource allocationparameter.

In some aspects, a user equipment for wireless communication may includememory and one or more processors coupled to the memory. The memory andthe one or more processors may be configured to receive, by the userequipment, a configuration of time-domain resource allocation parameterscomprising a first set of parameters associated with a first servicetype, and a second set of parameters associated with a second servicetype, wherein the first service type and the second service type areassociated with different transmission time interval (TTI) durations;receive control information comprising a resource allocation; determineat least one time-domain resource allocation parameter associated withthe resource allocation based at least in part on the configuration andwhether the resource allocation is for the first service type or thesecond service type; and communicate with a base station in accordancewith the resource allocation and the at least one time-domain resourceallocation parameter.

In some aspects, a non-transitory computer-readable medium may store oneor more instructions for wireless communication. The one or moreinstructions, when executed by one or more processors of a userequipment, may cause the one or more processors to receive, by the userequipment, a configuration of time-domain resource allocation parameterscomprising a first set of parameters associated with a first servicetype, and a second set of parameters associated with a second servicetype, wherein the first service type and the second service type areassociated with different transmission time interval (TTI) durations;receive control information comprising a resource allocation; determineat least one time-domain resource allocation parameter associated withthe resource allocation based at least in part on the configuration andwhether the resource allocation is for the first service type or thesecond service type; and communicate with a base station in accordancewith the resource allocation and the at least one time-domain resourceallocation parameter.

In some aspects, an apparatus for wireless communication may includemeans for receiving, by the user equipment, means for receiving aconfiguration of time-domain resource allocation parameters comprising afirst set of parameters associated with a first service type, and asecond set of parameters associated with a second service type, whereinthe first service type and the second service type are associated withdifferent transmission time interval (TTI) durations; means forreceiving control information comprising a resource allocation; meansfor determining at least one time-domain resource allocation parameterassociated with the resource allocation based at least in part on theconfiguration and whether the resource allocation is for the firstservice type or the second service type; and means for communicatingwith a base station in accordance with the resource allocation and theat least one time-domain resource allocation parameter.

Aspects generally include a method, apparatus, system, computer programproduct, non-transitory computer-readable medium, user equipment, basestation, wireless communication device, and/or processing system assubstantially described herein with reference to and as illustrated bythe accompanying drawings and specification.

The foregoing has outlined rather broadly the features and technicaladvantages of examples according to the disclosure in order that thedetailed description that follows may be better understood. Additionalfeatures and advantages will be described hereinafter. The conceptionand specific examples disclosed may be readily utilized as a basis formodifying or designing other structures for carrying out the samepurposes of the present disclosure. Such equivalent constructions do notdepart from the scope of the appended claims. Characteristics of theconcepts disclosed herein, both their organization and method ofoperation, together with associated advantages will be better understoodfrom the following description when considered in connection with theaccompanying figures. Each of the figures is provided for the purpose ofillustration and description, and not as a definition of the limits ofthe claims.

BRIEF DESCRIPTION OF THE DRAWINGS

So that the manner in which the above-recited features of the presentdisclosure can be understood in detail, a more particular description,briefly summarized above, may be had by reference to aspects, some ofwhich are illustrated in the appended drawings. It is to be noted,however, that the appended drawings illustrate only certain typicalaspects of this disclosure and are therefore not to be consideredlimiting of its scope, for the description may admit to other equallyeffective aspects. The same reference numbers in different drawings mayidentify the same or similar elements.

FIG. 1 is a block diagram conceptually illustrating an example of awireless communication network, in accordance with various aspects ofthe present disclosure.

FIG. 2 is a block diagram conceptually illustrating an example of a basestation in communication with a UE in a wireless communication network,in accordance with various aspects of the present disclosure.

FIG. 3A is a block diagram conceptually illustrating an example of aframe structure in a wireless communication network, in accordance withvarious aspects of the present disclosure.

FIG. 3B is a block diagram conceptually illustrating an examplesynchronization communication hierarchy in a wireless communicationnetwork, in accordance with various aspects of the present disclosure.

FIG. 4 is a block diagram conceptually illustrating an example slotformat with a normal cyclic prefix, in accordance with various aspectsof the present disclosure.

FIG. 5A is a diagram illustrating an example of a DL-centric wirelesscommunication structure in accordance with various aspects of thepresent disclosure.

FIG. 5B is a diagram illustrating an example of a DL-centric wirelesscommunication structure that includes one or more mini-slots within adownlink common burst portion of the wireless communication structure.

FIG. 6A is a diagram illustrating an example of a UL-centric wirelesscommunication structure in accordance with various aspects of thepresent disclosure.

FIG. 6B is a diagram illustrating an example of a UL-centric wirelesscommunication structure that that includes one or more mini-slots withina downlink common burst portion of the wireless communication structure.

FIGS. 7-9 are diagrams illustrating examples of signaling for sub-slottime-domain resource allocation, in accordance with various aspects ofthe present disclosure.

FIG. 10 is a diagram illustrating an example process performed, forexample, by a user equipment, in accordance with various aspects of thepresent disclosure.

FIG. 11 is a diagram illustrating an example process performed, forexample, by a base station, in accordance with various aspects of thepresent disclosure.

FIG. 12 is a diagram illustrating an example process performed, forexample, by a user equipment, in accordance with various aspects of thepresent disclosure.

FIG. 13 is a diagram illustrating an example process performed, forexample, by a user equipment, in accordance with various aspects of thepresent disclosure.

FIG. 14 is a diagram illustrating an example process performed, forexample, by a base station, in accordance with various aspects of thepresent disclosure.

DETAILED DESCRIPTION

Various aspects of the disclosure are described more fully hereinafterwith reference to the accompanying drawings. This disclosure may,however, be embodied in many different forms and should not be construedas limited to any specific structure or function presented throughoutthis disclosure. Rather, these aspects are provided so that thisdisclosure will be thorough and complete, and will fully convey thescope of the disclosure to those skilled in the art. Based at least inpart on the teachings herein one skilled in the art should appreciatethat the scope of the disclosure is intended to cover any aspect of thedisclosure disclosed herein, whether implemented independently of orcombined with any other aspect of the disclosure. For example, anapparatus may be implemented or a method may be practiced using anynumber of the aspects set forth herein. In addition, the scope of thedisclosure is intended to cover such an apparatus or method which ispracticed using other structure, functionality, or structure andfunctionality in addition to or other than the various aspects of thedisclosure set forth herein. It should be understood that any aspect ofthe disclosure disclosed herein may be embodied by one or more elementsof a claim.

Several aspects of telecommunication systems will now be presented withreference to various apparatuses and techniques. These apparatuses andtechniques will be described in the following detailed description andillustrated in the accompanying drawings by various blocks, modules,components, circuits, steps, processes, algorithms, and/or the like(collectively referred to as “elements”). These elements may beimplemented using hardware, software, or combinations thereof. Whethersuch elements are implemented as hardware or software depends upon theparticular application and design constraints imposed on the overallsystem.

It is noted that while aspects may be described herein using terminologycommonly associated with 3G and/or 4G wireless technologies, aspects ofthe present disclosure can be applied in other generation-basedcommunication systems, such as 5G and later, including NR technologies.

FIG. 1 is a diagram illustrating a network 100 in which aspects of thepresent disclosure may be practiced. The network 100 may be an LTEnetwork or some other wireless network, such as a 5G or NR network.Wireless network 100 may include a number of BSs 110 (shown as BS 110 a,BS 110 b, BS 110 c, and BS 110 d) and other network entities. A BS is anentity that communicates with user equipment (UEs) and may also bereferred to as a base station, a NR BS, a Node B, a gNB, a 5G node B(NB), an access point, a transmit receive point (TRP), and/or the like.Each BS may provide communication coverage for a particular geographicarea. In 3GPP, the term “cell” can refer to a coverage area of a BSand/or a BS subsystem serving this coverage area, depending on thecontext in which the term is used.

A BS may provide communication coverage for a macro cell, a pico cell, afemto cell, and/or another type of cell. A macro cell may cover arelatively large geographic area (e.g., several kilometers in radius)and may allow unrestricted access by UEs with service subscription. Apico cell may cover a relatively small geographic area and may allowunrestricted access by UEs with service subscription. A femto cell maycover a relatively small geographic area (e.g., a home) and may allowrestricted access by UEs having association with the femto cell (e.g.,UEs in a closed subscriber group (CSG)). ABS for a macro cell may bereferred to as a macro BS. ABS for a pico cell may be referred to as apico BS. A BS for a femto cell may be referred to as a femto BS or ahome BS. In the example shown in FIG. 1, a BS 110 a may be a macro BSfor a macro cell 102 a, a BS 110 b may be a pico BS for a pico cell 102b, and a BS 110 c may be a femto BS for a femto cell 102 c. A BS maysupport one or multiple (e.g., three) cells. The terms “eNB”, “basestation”, “NR BS”, “gNB”, “TRP”, “AP”, “node B”, “5G NB”, and “cell” maybe used interchangeably herein.

In some aspects, a cell may not necessarily be stationary, and thegeographic area of the cell may move according to the location of amobile BS. In some aspects, the BSs may be interconnected to one anotherand/or to one or more other BSs or network nodes (not shown) in theaccess network 100 through various types of backhaul interfaces such asa direct physical connection, a virtual network, and/or the like usingany suitable transport network.

Wireless network 100 may also include relay stations. A relay station isan entity that can receive a transmission of data from an upstreamstation (e.g., a BS or a UE) and send a transmission of the data to adownstream station (e.g., a UE or a BS). A relay station may also be aUE that can relay transmissions for other UEs. In the example shown inFIG. 1, a relay station 110 d may communicate with macro BS 110 a and aUE 120 d in order to facilitate communication between BS 110 a and UE120 d. A relay station may also be referred to as a relay BS, a relaybase station, a relay, and/or the like.

Wireless network 100 may be a heterogeneous network that includes BSs ofdifferent types, e.g., macro BSs, pico BSs, femto BSs, relay BSs, and/orthe like. These different types of BSs may have different transmit powerlevels, different coverage areas, and different impact on interferencein wireless network 100. For example, macro BSs may have a high transmitpower level (e.g., 5 to 40 Watts) whereas pico BSs, femto BSs, and relayBSs may have lower transmit power levels (e.g., 0.1 to 2 Watts).

A network controller 130 may couple to a set of BSs and may providecoordination and control for these BSs. Network controller 130 maycommunicate with the BSs via a backhaul. The BSs may also communicatewith one another, e.g., directly or indirectly via a wireless orwireline backhaul.

UEs 120 (e.g., 120 a, 120 b, 120 c) may be dispersed throughout wirelessnetwork 100, and each UE may be stationary or mobile. A UE may also bereferred to as an access terminal, a terminal, a mobile station, asubscriber unit, a station, and/or the like. A UE may be a cellularphone (e.g., a smart phone), a personal digital assistant (PDA), awireless modem, a wireless communication device, a handheld device, alaptop computer, a cordless phone, a wireless local loop (WLL) station,a tablet, a camera, a gaming device, a netbook, a smartbook, anultrabook, a medical device or equipment, a biometric sensor or device,a wearable device (smart watches, smart clothing, smart glasses, smartwrist bands, smart jewelry (e.g., smart ring, smart bracelet)), anentertainment device (e.g., a music or video device, or a satelliteradio), a vehicular component or sensor, a smart meter or sensor,industrial manufacturing equipment, a global positioning system device,or any other suitable device that is configured to communicate via awireless or wired medium.

Some UEs may be considered machine-type communication (MTC) or evolvedor enhanced machine-type communication (eMTC) UEs. MTC and eMTC UEsinclude, for example, robots, drones, remote devices, sensors, meters,monitors, location tags, and/or the like, that may communicate with abase station, another device (e.g., remote device), or some otherentity. A wireless node may provide, for example, connectivity for or toa network (e.g., a wide area network such as Internet or a cellularnetwork) via a wired or wireless communication link. Some UEs may beconsidered Internet-of-Things (IoT) devices, and/or may be implementedas NB-IoT (narrowband internet of things) devices. Some UEs may beconsidered a Customer Premises Equipment (CPE). UE 120 may be includedinside a housing that houses components of UE 120, such as processorcomponents, memory components, and/or the like.

In general, any number of wireless networks may be deployed in a givengeographic area. Each wireless network may support a particular RAT andmay operate on one or more frequencies. A RAT may also be referred to asa radio technology, an air interface, and/or the like. A frequency mayalso be referred to as a carrier, a frequency channel, and/or the like.Each frequency may support a single RAT in a given geographic area inorder to avoid interference between wireless networks of different RATs.In some cases, NR or 5G RAT networks may be deployed.

In some aspects, two or more UEs 120 (e.g., shown as UE 120 a and UE 120e) may communicate directly using one or more sidelink channels (e.g.,without using a base station 110 as an intermediary to communicate withone another). For example, the UEs 120 may communicate usingpeer-to-peer (P2P) communications, device-to-device (D2D)communications, a vehicle-to-everything (V2X) protocol (e.g., which mayinclude a vehicle-to-vehicle (V2V) protocol, a vehicle-to-infrastructure(V2I) protocol, and/or the like), a mesh network, and/or the like. Inthis case, the UE 120 may perform scheduling operations, resourceselection operations, and/or other operations described elsewhere hereinas being performed by the base station 110.

As indicated above, FIG. 1 is provided as an example. Other examples maydiffer from what is described with regard to FIG. 1.

FIG. 2 shows a block diagram of a design 200 of base station 110 and UE120, which may be one of the base stations and one of the UEs in FIG. 1.Base station 110 may be equipped with T antennas 234 a through 234 t,and UE 120 may be equipped with R antennas 252 a through 252 r, where ingeneral T≥1 and R≥1.

At base station 110, a transmit processor 220 may receive data from adata source 212 for one or more UEs, select one or more modulation andcoding schemes (MCS) for each UE based at least in part on channelquality indicators (CQIs) received from the UE, process (e.g., encodeand modulate) the data for each UE based at least in part on the MCS(s)selected for the UE, and provide data symbols for all UEs. Transmitprocessor 220 may also process system information (e.g., for semi-staticresource partitioning information (SRPI) and/or the like) and controlinformation (e.g., CQI requests, grants, upper layer signaling, and/orthe like) and provide overhead symbols and control symbols. Transmitprocessor 220 may also generate reference symbols for reference signals(e.g., the cell-specific reference signal (CRS)) and synchronizationsignals (e.g., the primary synchronization signal (PSS) and secondarysynchronization signal (SSS)). A transmit (TX) multiple-inputmultiple-output (MIMO) processor 230 may perform spatial processing(e.g., precoding) on the data symbols, the control symbols, the overheadsymbols, and/or the reference symbols, if applicable, and may provide Toutput symbol streams to T modulators (MODs) 232 a through 232 t. Eachmodulator 232 may process a respective output symbol stream (e.g., forOFDM and/or the like) to obtain an output sample stream. Each modulator232 may further process (e.g., convert to analog, amplify, filter, andupconvert) the output sample stream to obtain a downlink signal. Tdownlink signals from modulators 232 a through 232 t may be transmittedvia T antennas 234 a through 234 t, respectively. According to variousaspects described in more detail below, the synchronization signals canbe generated with location encoding to convey additional information.

At UE 120, antennas 252 a through 252 r may receive the downlink signalsfrom base station 110 and/or other base stations and may providereceived signals to demodulators (DEMODs) 254 a through 254 r,respectively. Each demodulator 254 may condition (e.g., filter, amplify,downconvert, and digitize) a received signal to obtain input samples.Each demodulator 254 may further process the input samples (e.g., forOFDM and/or the like) to obtain received symbols. A MIMO detector 256may obtain received symbols from all R demodulators 254 a through 254 r,perform MIMO detection on the received symbols if applicable, andprovide detected symbols. A receive processor 258 may process (e.g.,demodulate and decode) the detected symbols, provide decoded data for UE120 to a data sink 260, and provide decoded control information andsystem information to a controller/processor 280. A channel processormay determine reference signal received power (RSRP), received signalstrength indicator (RSSI), reference signal received quality (RSRQ),channel quality indicator (CQI), and/or the like.

On the uplink, at UE 120, a transmit processor 264 may receive andprocess data from a data source 262 and control information (e.g., forreports comprising RSRP, RSSI, RSRQ, CQI, and/or the like) fromcontroller/processor 280. Transmit processor 264 may also generatereference symbols for one or more reference signals. The symbols fromtransmit processor 264 may be precoded by a TX MIMO processor 266 ifapplicable, further processed by modulators 254 a through 254 r (e.g.,for DFT-s-OFDM, CP-OFDM, and/or the like), and transmitted to basestation 110. At base station 110, the uplink signals from UE 120 andother UEs may be received by antennas 234, processed by demodulators232, detected by a MIMO detector 236 if applicable, and furtherprocessed by a receive processor 238 to obtain decoded data and controlinformation sent by UE 120. Receive processor 238 may provide thedecoded data to a data sink 239 and the decoded control information tocontroller/processor 240. Base station 110 may include communicationunit 244 and communicate to network controller 130 via communicationunit 244. Network controller 130 may include communication unit 294,controller/processor 290, and memory 292.

In some aspects, one or more components of UE 120 may be included in ahousing. Controller/processor 240 of base station 110,controller/processor 280 of UE 120, and/or any other component(s) ofFIG. 2 may perform one or more techniques associated with signaling forsub-slot time-domain resource allocation, as described in more detailelsewhere herein. For example, controller/processor 240 of base station110, controller/processor 280 of UE 120, and/or any other component(s)of FIG. 2 may perform or direct operations of, for example, process 1000of FIG. 10, process 1100 of FIG. 11, process 1200 of FIG. 12, process1300 of FIG. 13, process 1400 of FIG. 14, and/or other processes asdescribed herein. Memories 242 and 282 may store data and program codesfor base station 110 and UE 120, respectively. A scheduler 246 mayschedule UEs for data transmission on the downlink and/or uplink.

In some aspects, UE 120 may include means for determining that signalingassociated with a resource allocation is associated with a service type;means for identifying a time-domain resource, for a transmissionassociated with the service type, in connection with determining thatthe signaling associated with the resource allocation is associated withthe service type, wherein the time-domain resource is identified basedat least in part on at least one of a reference point associated withthe resource allocation or a unit of granularity associated with theresource allocation; means for receiving a configuration of time-domainresource allocation parameters comprising a first set of parametersassociated with the first service type and a second set of parametersassociated with a second service type, wherein identifying thetime-domain resource is based at least in part on the configuration;and/or the like. In some aspects, such means may include one or morecomponents of UE 120 described in connection with FIG. 2.

In some aspects, base station 110 may include means for determiningsignaling for a time-domain resource allocation for a transmissionassociated with a service type to or from a user equipment (UE) based atleast in part on determining the UE can communicate using the servicetype; means for transmitting the signaling, wherein the time-domainresource is identified based at least in part on at least one of areference point associated with the resource allocation or a unit ofgranularity associated with the resource allocation; and/or the like. Insome aspects, such means may include one or more components of basestation 110 described in connection with FIG. 2.

In some aspects, UE 120 may include means for receiving, by the UE 120,a configuration of time-domain resource allocation parameters comprisinga first set of parameters associated with a first service type, and asecond set of parameters associated with a second service type, whereinthe first service type and the second service type are associated withdifferent transmission time interval (TTI) durations; means forreceiving control information comprising a resource allocation; meansfor determining at least one time-domain resource allocation parameterassociated with the resource allocation based at least in part on theconfiguration and whether the resource allocation is for the firstservice type or the second service type; means for communicating with abase station in accordance with the resource allocation and the at leastone time-domain resource allocation parameter; and/or the like. In someaspects, such means may include one or more components of UE 120described in connection with FIG. 2.

As indicated above, FIG. 2 is provided as an example. Other examples maydiffer from what was described with regard to FIG. 2.

FIG. 3A shows an example frame structure 300 for frequency divisionduplexing (FDD) in a telecommunications system (e.g., NR). Thetransmission timeline for each of the downlink and uplink may bepartitioned into units of radio frames (sometimes referred to asframes). Each radio frame may have a predetermined duration (e.g., 10milliseconds (ms)) and may be partitioned into a set of Z (Z≥1)subframes (e.g., with indices of 0 through Z−1). Each subframe may havea predetermined duration (e.g., 1 ms) and may include a set of slots(e.g., 2^(m) slots per subframe are shown in FIG. 3A, where m is anumerology used for a transmission, such as 0, 1, 2, 3, 4, and/or thelike). Each slot may include a set of L symbol periods. For example,each slot may include fourteen symbol periods (e.g., as shown in FIG.3A), seven symbol periods, or another number of symbol periods. In acase where the subframe includes two slots (e.g., when m=1), thesubframe may include 2L symbol periods, where the 2L symbol periods ineach subframe may be assigned indices of 0 through 2L−1. In someaspects, a scheduling unit for the FDD may frame-based, subframe-based,slot-based, symbol-based, and/or the like.

While some techniques are described herein in connection with frames,subframes, slots, and/or the like, these techniques may equally apply toother types of wireless communication structures, which may be referredto using terms other than “frame,” “subframe,” “slot,” and/or the likein 5G NR. In some aspects, a wireless communication structure may referto a periodic time-bounded communication unit defined by a wirelesscommunication standard and/or protocol. Additionally, or alternatively,different configurations of wireless communication structures than thoseshown in FIG. 3A may be used.

In certain telecommunications (e.g., NR), a base station may transmitsynchronization signals. For example, a base station may transmit aprimary synchronization signal (PSS), a secondary synchronization signal(SSS), and/or the like, on the downlink for each cell supported by thebase station. The PSS and SSS may be used by UEs for cell search andacquisition. For example, the PSS may be used by UEs to determine symboltiming, and the SSS may be used by UEs to determine a physical cellidentifier, associated with the base station, and frame timing. The basestation may also transmit a physical broadcast channel (PBCH). The PBCHmay carry some system information, such as system information thatsupports initial access by UEs.

In some aspects, the base station may transmit the PSS, the SSS, and/orthe PBCH in accordance with a synchronization communication hierarchy(e.g., a synchronization signal (SS) hierarchy) including multiplesynchronization communications (e.g., SS blocks), as described below inconnection with FIG. 3B.

FIG. 3B is a block diagram conceptually illustrating an example SShierarchy, which is an example of a synchronization communicationhierarchy. As shown in FIG. 3B, the SS hierarchy may include an SS burstset, which may include a plurality of SS bursts (identified as SS burst0 through SS burst B−1, where B is a maximum number of repetitions ofthe SS burst that may be transmitted by the base station). As furthershown, each SS burst may include one or more SS blocks (identified as SSblock 0 through SS block (b_(max_SS)−1), where b_(max_SS) is a maximumnumber of SS blocks that can be carried by an SS burst). In someaspects, different SS blocks may be beam-formed differently. An SS burstset may be periodically transmitted by a wireless node, such as every Xmilliseconds, as shown in FIG. 3B. In some aspects, an SS burst set mayhave a fixed or dynamic length, shown as Y milliseconds in FIG. 3B.

The SS burst set shown in FIG. 3B is an example of a synchronizationcommunication set, and other synchronization communication sets may beused in connection with the techniques described herein. Furthermore,the SS block shown in FIG. 3B is an example of a synchronizationcommunication, and other synchronization communications may be used inconnection with the techniques described herein.

In some aspects, an SS block includes resources that carry the PSS, theSSS, the PBCH, and/or other synchronization signals (e.g., a tertiarysynchronization signal (TSS)) and/or synchronization channels. In someaspects, multiple SS blocks are included in an SS burst, and the PSS,the SSS, and/or the PBCH may be the same across each SS block of the SSburst. In some aspects, a single SS block may be included in an SSburst. In some aspects, the SS block may be at least four symbol periodsin length, where each symbol carries one or more of the PSS (e.g.,occupying one symbol), the SSS (e.g., occupying one symbol), and/or thePBCH (e.g., occupying two symbols).

In some aspects, the symbols of an SS block are consecutive, as shown inFIG. 3B. In some aspects, the symbols of an SS block arenon-consecutive. Similarly, in some aspects, one or more SS blocks ofthe SS burst may be transmitted in consecutive radio resources (e.g.,consecutive symbol periods) during one or more slots. Additionally, oralternatively, one or more SS blocks of the SS burst may be transmittedin non-consecutive radio resources.

In some aspects, the SS bursts may have a burst period, whereby the SSblocks of the SS burst are transmitted by the base station according tothe burst period. In other words, the SS blocks may be repeated duringeach SS burst. In some aspects, the SS burst set may have a burst setperiodicity, whereby the SS bursts of the SS burst set are transmittedby the base station according to the fixed burst set periodicity. Inother words, the SS bursts may be repeated during each SS burst set.

The base station may transmit system information, such as systeminformation blocks (SIBs) on a physical downlink shared channel (PDSCH)in certain slots. The base station may transmit control information/dataon a physical downlink control channel (PDCCH) in C symbol periods of aslot, where B may be configurable for each slot. The base station maytransmit traffic data and/or other data on the PDSCH in the remainingsymbol periods of each slot.

As indicated above, FIGS. 3A and 3B are provided as examples. Otherexamples may differ from what was described with regard to FIGS. 3A and3B.

FIG. 4 shows an example slot format 410 with a normal cyclic prefix. Theavailable time frequency resources may be partitioned into resourceblocks. Each resource block may cover a set to of subcarriers (e.g., 12subcarriers) in one slot and may include a number of resource elements.Each resource element may cover one subcarrier in one symbol period(e.g., in time) and may be used to send one modulation symbol, which maybe a real or complex value.

An interlace structure may be used for each of the downlink and uplinkfor FDD in certain telecommunications systems (e.g., NR). For example, Qinterlaces with indices of 0 through Q−1 may be defined, where Q may beequal to 4, 6, 8, 10, or some other value. Each interlace may includeslots that are spaced apart by Q frames. In particular, interlace q mayinclude slots q, q+Q, q+2Q, etc., where q∈{0, . . . , Q−1}.

A UE may be located within the coverage of multiple BSs. One of theseBSs may be selected to serve the UE. The serving BS may be selectedbased at least in part on various criteria such as received signalstrength, received signal quality, path loss, and/or the like. Receivedsignal quality may be quantified by a signal-to-noise-and-interferenceratio (SINR), or a reference signal received quality (RSRQ), or someother metric. The UE may operate in a dominant interference scenario inwhich the UE may observe high interference from one or more interferingBSs.

While aspects of the examples described herein may be associated with NRor 5G technologies, aspects of the present disclosure may be applicablewith other wireless communication systems. NR may refer to radiosconfigured to operate according to a new air interface (e.g., other thanOrthogonal Frequency Divisional Multiple Access (OFDMA)-based airinterfaces) or fixed transport layer (e.g., other than Internet Protocol(IP)). In aspects, NR may utilize OFDM with a CP (herein referred to ascyclic prefix OFDM or CP-OFDM) and/or SC-FDM on the uplink, may utilizeCP-OFDM on the downlink and include support for half-duplex operationusing time division duplexing (TDD). In aspects, NR may, for example,utilize OFDM with a CP (herein referred to as CP-OFDM) and/or discreteFourier transform spread orthogonal frequency-division multiplexing(DFT-s-OFDM) on the uplink, may utilize CP-OFDM on the downlink andinclude support for half-duplex operation using TDD. NR may includeEnhanced Mobile Broadband (eMBB) service targeting wide bandwidth (e.g.,80 megahertz (MHz) and beyond), millimeter wave (mmW) targeting highcarrier frequency (e.g., 60 gigahertz (GHz)), massive MTC (mMTC)targeting non-backward compatible MTC techniques, and/or missioncritical targeting ultra reliable low latency communications (URLLC)service.

Beamforming may be supported and beam direction may be dynamicallyconfigured. MIMO transmissions with precoding may also be supported.MIMO configurations in the DL may support up to 8 transmit antennas withmulti-layer DL transmissions up to 8 streams and up to 2 streams per UE.Multi-layer transmissions with up to 2 streams per UE may be supported.Aggregation of multiple cells may be supported with up to 8 servingcells. Alternatively, NR may support a different air interface, otherthan an OFDM-based interface. NR networks may include entities suchcentral units or distributed units.

As indicated above, FIG. 4 is provided as an example. Other examples maydiffer from what was described with regard to FIG. 4.

FIG. 5A is a diagram 500 showing an example of a DL-centric wirelesscommunication structure in accordance with various aspects of thepresent disclosure. The DL-centric wireless communication structure(referred to hereinafter as a DL-centric slot) may include a controlportion 502. The control portion 502 may exist in the initial orbeginning portion of the DL-centric slot. The control portion 502 mayinclude various scheduling information and/or control informationcorresponding to various portions of the DL-centric slot. In someconfigurations, the control portion 502 may be a physical DL controlchannel (PDCCH), as indicated in FIG. 5A.

The DL-centric slot may also include a DL data portion 504. The DL dataportion 504 may sometimes be referred to as the payload of theDL-centric slot. The DL data portion 504 may include the communicationresources utilized to communicate DL data from the scheduling entity(e.g., UE or BS) to the subordinate entity (e.g., UE). In someconfigurations, the DL data portion 504 may be a physical DL sharedchannel (PD SCH).

The DL-centric slot may also include an UL short burst portion 506. TheUL short burst portion 506 may sometimes be referred to as an UL burst,an UL burst portion, a common UL burst, a short burst, an UL shortburst, a common UL short burst, a common UL short burst portion, and/orvarious other suitable terms. In some aspects, the UL short burstportion 506 may include one or more reference signals. Additionally, oralternatively, the UL short burst portion 506 may include feedbackinformation corresponding to various other portions of the DL-centricslot. For example, the UL short burst portion 506 may include feedbackinformation corresponding to the control portion 502 and/or the dataportion 504. Non-limiting examples of information that may be includedin the UL short burst portion 506 include an ACK signal (e.g., a PUCCHACK, a PUSCH ACK, an immediate ACK), a NACK signal (e.g., a PUCCH NACK,a PUSCH NACK, an immediate NACK), a scheduling request (SR), a bufferstatus report (BSR), a HARQ indicator, a channel state indication (CSI),a channel quality indicator (CQI), a sounding reference signal (SRS), ademodulation reference signal (DMRS), PUSCH data, and/or various othersuitable types of information. The UL short burst portion 506 mayinclude additional or alternative information, such as informationpertaining to random access channel (RACH) procedures, schedulingrequests, and various other suitable types of information.

As illustrated in FIG. 5A, the end of the DL data portion 504 may beseparated in time from the beginning of the UL short burst portion 506.This time separation may sometimes be referred to as a gap, a guardperiod, a guard interval, and/or various other suitable terms. Thisseparation provides time for the switch-over from DL communication(e.g., reception operation by the subordinate entity (e.g., UE)) to ULcommunication (e.g., transmission by the subordinate entity (e.g., UE)).The foregoing is merely one example of a DL-centric wirelesscommunication structure, and alternative structures having similarfeatures may exist without necessarily deviating from the aspectsdescribed herein.

In some aspects, the DL-centric slot may include one or more mini-slotsin, for example, the control portion 502. FIG. 5B is a diagram 550illustrating an example of a DL-centric slot that includes one or moremini-slots 508 within the control portion 502 (sometimes referred to asa DL common burst portion 502) of the DL-centric slot.

The mini-slot 508 is a unit of scheduling in NR that is smaller than aslot (i.e., a portion of the slot). For example, while an enhancedmobile broadband (eMBB) slot may include 14 symbols, the mini-slot 508may include fewer than 14 symbols (e.g., one symbol, two symbols, foursymbols, and/or the like). In some aspects, the mini-slot 508 mayinclude one or more data symbols that represent data.

Additionally, or alternatively, the mini-slot 508 may include one ormore control symbols that represent control information associated withthe mini-slot 508. In some aspects, the one or more control symbols maybe at or near a beginning of the mini-slot 508 (e.g., in the first twosymbols of the mini-slot) or at or near an end of the mini-slot 508(e.g., in the last symbol of the mini-slot.) Alternatively, themini-slot 508 may not include a control symbol.

Additionally, or alternatively, the mini-slot 508 may include areference symbol that carries information associated with demodulatingdata included in the mini-slot 508 (e.g., a DMRS). In some aspects, thereference symbol may be at any location within the mini-slot 508 (e.g.,in a first symbol, a second symbol, a third symbol, a last symbol,and/or the like). In some aspects, the reference symbol and the controlsymbol may be the same symbol (i.e., a single symbol may carry thecontrol information and the information associated with demodulatingdata included in the mini-slot 508).

In some aspects, the inclusion of the reference symbol in the mini-slot508 may permit a reference symbol to be omitted from a portion of the DLdata portion 504. For example, assume that the mini-slot 508 carriesfirst data destined for a particular UE and the portion of the DL dataportion 504, that uses a same frequency band as the mini-slot 508,carries second data destined for the particular UE. Here, if themini-slot 508 includes the reference symbol, then the portion of the DLdata portion 504 may not include the reference symbol. In this example,the particular UE may use the reference symbol included in the mini-slot508 to demodulate the second data carried in the portion of the DL dataportion 504. Omitting the reference symbol from the portion of the DLdata portion 504 may provide for reduced latency since the particular UEmay demodulate, and thereafter acknowledge, receipt of the second datawithout buffering the second data carried in the portion of the DL dataportion 504.

Alternatively, the mini-slot 508 may not include a reference symbol. Forexample, assume that the mini-slot 508 carries first data destined for aparticular UE, and a portion of the DL data portion 504 that uses a samefrequency band as the mini-slot 508 carries second data destined for theparticular UE. Here, the mini-slot 508 may not include the referencesymbol when the reference symbol is included in the portion of the DLdata portion 504 that carries the second data. In this example, theparticular UE may buffer the first data carried in the mini-slot 508,and demodulate the first data after receiving the reference symbol inthe portion of the DL data portion 504. Omitting the reference symbolfrom the mini-slot 508 may provide for improved robustness to mobilityof the particular UE since the reference symbol is received later (e.g.,near the middle) of the transmission of the first data and the seconddata to the particular UE.

In some aspects, the mini-slot 508 may have a subcarrier spacing that isthe same as a subcarrier spacing of the slot in which the mini-slot 508is included. Alternatively, the mini-slot 508 may have a subcarrierspacing that differs from the subcarrier spacing of the slot in whichthe mini-slot 508 is included. In some aspects, increasing thesubcarrier spacing of the mini-slot 508 relative to the subcarrierspacing of the slot may allow for additional symbols to be included inthe mini-slot 508. For example, if the mini-slot 508 has a samesubcarrier spacing as the slot (e.g., 30 kilohertz (kHz)), then themini-slot 508 may include a particular number of symbols (e.g., 2symbols). However, if the mini-slot 508 has a subcarrier spacing that isgreater than (e.g., two times) the subcarrier spacing (e.g., 2×30 kHz=60kHz), then the mini-slot 508 may include a greater number (e.g., twotimes) the particular number of symbols (e.g., 2×2 symbols=4 symbols).

In some aspects, a parameter, associated with transmitting data in themini-slot 508, may be different than a parameter associated withtransmitting data in the DL data portion 504. For example, a MCSassociated with data included in the mini-slot 508 (e.g., a modulationorder, a coding rate, a HARQ configuration, and/or the like) may bedifferent from a MCS associated with data included in the DL dataportion 504. As another example, a number of MIMO layers, associatedwith the data included in the mini-slot 508, may be different from anumber of MIMO layers associated with the data included in the DL dataportion 504.

As shown in FIG. 5B, in some aspects, a mini-slot 508 may be included inthe control portion 502 (e.g., the DL common burst portion 502) of theDL-centric slot. In some aspects, the mini-slot 508 may be used totransmit data to a particular UE. As such, in some aspects, themini-slot 508 may include hybrid automatic repeat request (HARQ) data(e.g., data associated with a HARQ transmission, like a retransmission,of a HARQ process), while the remainder of the control portion 502 maynot include HARQ data.

In some aspects, the mini-slot 508 may be associated with transmittingdata to a particular UE and may utilize one or more ranges offrequencies. For example, the mini-slot 508 may utilize a particularrange of frequencies of the slot (e.g., a highest 30 megahertz (MHz)when a slot has a range of 80 MHz) to transmit data to the particularUE, while the DL common burst portion 502 may utilize a different rangeof frequencies of the slot (e.g., the remaining 50 MHz of the 80 MHzslot) to transmit control information to multiple UEs. As anotherexample, the mini-slot 508 may utilize a first range of frequencies ofthe slot (e.g., the highest 30 MHz of the 80 MHz slot range) and asecond range of frequencies of the slot (e.g., a lowest 30 MHz of the 80MHz slot range) to transmit data to the particular UE, while the DLcommon burst portion 502 may utilize a third range of frequencies of theslot (e.g., a middle 20 MHz of the 80 MHz slot) to transmit controlinformation to multiple UEs. In some aspects, as shown in FIG. 5B, thefirst range of frequencies may be separated from the second range offrequencies by the third range of frequencies.

Additionally, or alternatively, different mini-slots 508 may beassociated with transmitting data to different UEs and may utilizedifferent ranges of frequencies. For example, a first mini-slot 508 mayutilize a first range of frequencies of the slot (e.g., the highest 30MHz of the 80 MHz slot range) to transmit first data to a firstparticular UE, while a second mini-slot 508 may utilize a second rangeof frequencies of the slot (e.g., the lowest 30 MHz of the 80 MHz slotrange) to transmit second data to a second particular UE. Here, the DLcommon burst portion 502 may utilize a third range of frequencies of theslot (e.g., the middle 20 MHz of the 80 MHz slot) to transmit controlinformation to multiple UEs.

As indicated above, FIGS. 5A and 5B are provided merely as examples.Other examples may differ from what was described with regard to FIGS.5A and 5B. Further, while FIGS. 5A and 5B relate to DL-centric slotsthat may be used for NR technology, another type of radio accesstechnology (e.g., LTE) may use a subframe for a similar purpose and/orin a similar manner as that described in association with the DL-centricslots of FIGS. 5A and 5B.

FIG. 6A is a diagram 600 showing an example of an UL-centric wirelesscommunication structure in accordance with various aspects of thepresent disclosure. The UL-centric wireless communication structure(referred to hereinafter as an UL-centric slot) may include a controlportion 602. The control portion 602 may exist in the initial orbeginning portion of the UL-centric slot. The control portion 602 inFIG. 6A may be similar to the control portion 502 described above withreference to FIG. 5A. In some configurations, the control portion 602(sometimes referred to as DL common burst portion 602) may be a physicalDL control channel (PDCCH).

The UL-centric slot may also include an UL long burst portion 604. TheUL long burst portion 604 may sometimes be referred to as the payload ofthe UL-centric slot. The UL long burst portion 604 may refer to thecommunication resources utilized to communicate UL data from thesubordinate entity (e.g., UE) to the scheduling entity (e.g., UE or BS).

As illustrated in FIG. 6A, the end of the control portion 602 may beseparated in time from the beginning of the UL long burst portion 604.This time separation may sometimes be referred to as a gap, guardperiod, guard interval, and/or various other suitable terms. Thisseparation provides time for the switch-over from DL communication(e.g., reception operation by the scheduling entity) to UL communication(e.g., transmission by the scheduling entity).

The UL-centric slot may also include an UL short burst portion 606. TheUL short burst portion 606 in FIG. 6A may be similar to the UL shortburst portion 506 described above with reference to FIG. 5A, and mayinclude any of the information described above in connection with FIG.5A. The foregoing is merely one example of an UL-centric wirelesscommunication structure and alternative structures having similarfeatures may exist without necessarily deviating from the aspectsdescribed herein.

In some aspects, the UL-centric slot may include one or more mini-slotsin, for example, the control portion 602. FIG. 6B is a diagram 650illustrating an example of a UL-centric slot that includes one or moremini-slots 608 within the control portion 602 (sometimes referred to asa DL common burst portion 602) of the UL-centric slot. The mini-slot 608in FIG. 6B may be similar to the mini-slot 508 described above withreference to FIG. 5B, and may include any information described inconnection with FIG. 5B. The foregoing is merely one example of anUL-centric wireless communication structure that includes one or moremini-slots, and alternative structures having similar features may existwithout necessarily deviating from the aspects described herein. Detailsregarding scheduling of mini-slots 608 within a UL-centric slot fortransmission of HARQ data to a UE are described below.

As indicated above, FIGS. 6A and 6B are provided merely as examples.Other examples may differ from what is described with regard to FIGS. 6Aand 6B. Further, while FIGS. 6A and 6B relate to UL-centric slots thatmay be used for NR technology, another type of radio access technology(e.g., LTE) may use a subframe for a similar purpose and/or in a similarmanner as that described in association with the UL-centric slots ofFIGS. 6A and 6B.

In some instances, a UE may be capable of communicating using two ormore service types of traffic, such as an enhanced mobile broadband(eMBB) service type, an ultra-reliable low latency communication (URLLC)service type, and/or the like. In such cases, similar signaling fortime-domain resource allocation may be performed between the UE and a BSfor two or more different service types. For example, slot-basedsignaling operations may be performed for both eMBB and URLLC servicetypes for time-domain resource allocation. In some cases, signaling fortime-domain resource allocation may occur once per slot (e.g., every 14symbols, at best). Accordingly, for transmissions using URLLC service,the time-domain resource allocation may be redundant and/or sub-optimalwith respect to the presence of multiple URLLCs within a single slot. Assuch, for URLLC, which is capable of operating at a more granular level(e.g., using mini-slots or symbols) than eMBB, the signaling for thetime-domain resource allocation may be redundant. For example, multipleURLLCs within a same slot may identify a same slot for time-domainresource allocation (because the time-domain resource allocation isslot-based). Furthermore, the time-domain resource allocation may not bebest suited for all URLLCs of a slot. For example, circumstances orcharacteristics may change between symbols of a slot. As such, it may bebeneficial to adjust and/or adapt the time-domain resource allocationfor subsequent URLLCs. Accordingly, some examples herein usesymbol-based (rather than a slot-based) signaling. As such, time-domainresources can potentially be allocated every symbol, rather than everyslot.

Time-domain resource allocations may include a plurality of indicatorsto allocate the time-domain resources for a communication, such as aPDSCH, PUCCH, PUSCH, and/or the like. Such indicators may be associatedwith one or more reference points or timings of the URLLC exchange orservice. For example, timing values K0, K1, and K2 (which may bereferred to generally as a “K timing” and collectively herein as “Ktimings”) may refer to various times or reference points of a URLLCexchange. As used herein, K0 refers to a timing between a downlinkresource grant on a PDCCH and a downlink data transmission on a PDSCH,K1 refers to timing between a downlink data transmission on the PDSCHand a hybrid automatic repeat request acknowledgment (HARQ-ACK)transmission on a physical uplink control channel (PUCCH), and K2 refersto timing between an uplink resource grant on the PDCCH and uplink datatransmission on the PUSCH. “Uplink ACK/NACK transmission” is usedinterchangeably with “HARQ-ACK transmission” herein. Furthermore, thetime-domain resource allocation may be defined by a starting symbol(e.g., a starting OFDM symbol) relative to a reference point such as asymbol (not relative to a slot as used in previous techniques or foreMBB) and can be dynamically signaled (e.g., within DCI). Furthermore,the time-domain resource allocation may be defined by a duration of thetransmission (e.g., in symbols or mini-slots), which can be dynamicallysignaled (e.g., within DCI) or semi-statically signaled (e.g., within anRRC configuration). Still further, in some cases, a unit of granularityfor the time-domain resource allocation may be signaled.

A UE processing time may be referred to in numbers of symbols (e.g., N0,N1, N2). As used herein, NO corresponds to the minimum number of OFDMsymbols from an end of PDCCH reception to a start of PDSCH required forUE processing, N1 corresponds to the minimum number of OFDM symbols froman end of PDSCH reception to the earliest possible start of thecorresponding ACK/NACK required for UE processing, and N2 corresponds tothe number of OFDM symbols from an end of PDCCH containing a UL grant toan earliest possible start of the corresponding PUSCH transmission fromthe UE required for UE processing. In NR, PDCCH/PDSCH can start from asame OFDM symbol, and therefore N0=0. Additionally, a UE may not beexpected to transmit anything in the uplink if K1 and K2 are set withoutleaving sufficient time for UE processing.

Accordingly, some examples herein provide for time-domain resourceallocation at the symbol level to enable some service types, such asURLLC, to achieve increased reliability and lower latency. As such,performance for time-domain resource allocation for URLLC services canbe enhanced relative to previous techniques. In some examples, signalingmay combine two indicators (e.g., K0/K1/K2 and N0/N1/N2) to provide anew indicator that includes both the K timings and a starting OFDMsymbol. As such, network resources may be conserved by using a singleindicator (rather than multiple indicators) for signaling thetime-domain resource allocation.

It should be noted that the techniques described herein can be appliedfor UEs that use two or more service types of traffic (e.g., URLLC andeMBB, or different combinations of service types), as well as for UEsthat use a single service type (e.g., a URLLC-only UE and/or the like).

FIG. 7 is a diagram illustrating an example 700 of performing signalingfor time-domain resource allocation, in accordance with various aspectsof the present disclosure. In example implementation 700, a UE 120 iscapable of communicating with a BS 110 via eMBB and URLLC services.While FIG. 7 and other examples described herein may be described withreference to URLLC and eMBB services, this is by way of example only. Itis to be understood that the techniques described herein can be appliedfor any one or more service types, and may achieve finer timegranularity for scheduling communications in the one or more servicetypes, particularly in the context of the mini-slot. For example, thetechniques described in connection with FIG. 7 and elsewhere herein canbe applied for a UE capable of using only a single service type, such asURLLC.

As shown in FIG. 7, and by reference number 710, UE 120 may indicate toBS 110 that UE 120 can communicate with BS 110 via eMBB and URLLCservices. For example, UE 120 may indicate that UE 120 can communicatewith BS 110 using at least two service types (e.g., eMBB, URLLC, and/orthe like). For example, once UE 120 comes within range of BS 110 (e.g.,during a handoff), when establishing the communication link, UE 120 mayindicate that UE 120 can communicate via eMBB and/or URLLC. As such, BS110 may be notified that UE 120 can communicate via a URLLC service.Therefore, in order to take advantage of the enhanced performancecapability of URLLC versus eMBB, BS 110 may provide a configuration toUE 120 to enable UE 120 to interpret signaling of time-domain resourceallocations received from BS 110.

As further shown in FIG. 7, and by reference number 720, BS 110 may sendthe configuration for signaling for time-domain resource allocation forURLLC service and/or the signaling for the time-domain resourceallocation for URLLC. In some aspects, the configuration may be providedvia radio resource control (RRC) signaling. In some instances, theconfiguration may indicate that the K timings in the signaling for thetime-domain resource allocation refer to symbols of the URLLC (ratherthan slots). Additionally, or alternatively, the RRC signaling mayinclude a mini-slot duration such that UE 120 may be configured with amini-slot duration for URLLC exchanges. In some aspects, the RRCsignaling may indicate a unit of granularity for the time-domainresource allocation, such as symbols, mini-slots, a size of a mini-slot,and/or the like.

In some aspects, the configuration may include sets of parameters foreach type of service that UE 120 can use to communicate with BS 110.Accordingly, the configuration may include a first set of parametersassociated with a first service type (e.g., eMBB) and a second set ofparameters associated with a second service type (e.g., URLLC). Thefirst set of parameters may include one or more slot-based time-domainresource allocation parameters, and the second set of parameters mayinclude one or more symbol-based time-domain resource allocationparameters. The two types of services may have different transmissiontime interval (TTI) durations. For example, URLLC may have a shorter TTIthan eMBB. Furthermore, the first service type may be associated with aslot-based duration with a first number of OFDM symbols and the secondservice type is associated with a mini-slot-based (or non-slot based)TTI duration with a second number of OFDM symbols that is less than thefirst number of OFDM symbols. In some aspects, the control informationmay indicate the TTI duration or a unit of granularity for the controlinformation may be based at least in part on the TTI duration. In someaspects, the configuration and/or signaling may include controlinformation (e.g., DCI) with a resource allocation.

The example configuration from BS 110 (or signaling) may include one ormore tables within indices and corresponding values identifying the Ktimings. As examples, the following example Table 1 may be used and/orprovided when UE 120 is not configured with a mini-slot duration (e.g.,a mini-slot duration was not provided to UE 120):

TABLE 1 Index Value 0 x0 symbols (or default value) 1 x1 symbols 2 x2symbols 3 x3 symbols . . . . . .and the following example Table 2 may be used and/or provided when UE120 is configured with a mini-slot duration (which may be indicated inan RRC configuration from BS 110):

TABLE 2 Index Value 0 x0 symbols (or default value) 1 x1 symbols 2 1mini-slot 3 2 mini-slot . . . . . .wherein the index is for a K timing that may be provided within DCIassociated with a URLLC transmission. In some aspects, a plurality oftables may be provided corresponding to each of the K timings.Accordingly, there may be a first table for K0, a second table for K1,and a third table for K2. Therefore, when a DCI includes signaling forK0, UE 120 may refer to the table for K0; when the DCI includessignaling for K1, UE 120 may refer to the table for K1; and when the DCIincludes scheduling for K2, UE may refer to the able for K2.

The above tables are provided by way of example only. In some aspects,the table that is used may not necessarily contain both symbol-level Kindication and mini-slot level K indication. For example, the table maycontain only the mini-slot-level K timing indication.

In some aspects, the configuration may include default values for the Ktimings. For example, default values, as indicated in RRC signaling, maybe K0=0, K1=N1 or K1=N1+1, and K2=N2, or K2=N2+1. As such, the defaultvalues will be used if the DCI does not contain the corresponding fieldfor the K timing.

In some aspects, a PDSCH-to-HARQ-feedback field may signal an offsetfrom N1 to a start of the HARQ-ACK feedback field. For example, in thiscase, the signaling may indicate an offset from a symbol identified by aUE's N1 value to the start of a PUCCH to be used for the UE's HARQ-ACKfeedback.

As further shown by reference number 720, BS 110 may send signaling forthe time-domain resource allocation for URLLC. For example, BS 110 maydynamically send DCI to UE 120 corresponding to a URLLC transmission. Insome examples, the DCI may include the signaling (e.g., K timings) forthe time-domain resource allocation and/or an activation forsemi-persistent scheduling (SPS). In such cases, the activation for SPSmay include activation for downlink communication and/or activation foruplink transmission with configured grant (e.g., SPS type 2).

In some examples, the signaling may include a duration of a mini-slotfor a URLLC. Furthermore, multiple different durations of mini-slots maybe provided corresponding to K timings or URLLC transmissions. Forexample, a duration of a mini-slot for an uplink URLLC may be differentthan a duration of the mini-slot for a downlink URLLC. In some aspects,the duration of the mini-slot may correspond to a PDCCH monitoringperiodicity. For example, if a UE is configured to monitor the PDCCHperiodically within a slot, then the length of the time between thestart of one PDCCH monitoring occasion and the start of the next PDCCHmonitoring occasion could be one mini-slot. In such a case, the UE maydetermine (e.g., implicitly) that the mini-slot duration is equal to thegap between the start of one PDCCH monitoring occasion and the start ofthe next PDCCH monitoring occasion. Additionally, or alternatively, thesignaling may include a duration (e.g., a mini-slot duration) associatedwith a PDSCH transmission or PUSCH transmission. In some aspects, thesignaling may include a one bit parameter to indicate whether the UE isto cap a URLLC transmission at a boundary of a slot that is to includethe URLLC transmission. For example, if the UE is configured with thisone bit parameter to cap a URLLC transmission at a boundary of a slot,then the UE is to end the transmission at the slot boundary (i.e., atthe end of a slot).

As further shown in FIG. 7, and by reference number 730, BS 110 and UE120 may perform URLLC communications according to the configuration andthe signaling. For example, UE 120 may determine the time-domainresource allocation of URLLC according to the configuration andsignaling. Accordingly, UE 120 may receive a URLLC PDSCH from BS 110and/or transmit a PUCCH and/or PUSCH to BS 110 based at least in part onthe time-domain resource allocation. UE 120 may iteratively perform theURLLC using the configuration dynamically (e.g., as DCI is received)and/or semi-statically (e.g., as RRC signaling is received).Accordingly, whenever UE 120 is to communicate with BS 110 via a URLLCservice or an eMBB service, UE 120 may use resources identifiedaccording to the configuration and/or signaling of the time-domainresource allocation.

In some aspects, UE 120 may identify or determine a time-domain resourceallocation parameter associated with a resource allocation based atleast in part on the configuration and whether the resource allocationis for a first service type (e.g., eMBB) or a second service type (e.g.,URLLC). UE 120 may then communicate with BS 110 in accordance with theresource allocation and the time-domain resource allocation parameter.UE 120 may determine that the configuration or the signaling areassociated with a time-domain resource allocation for URLLC. In suchcases, UE 120 may determine the configuration and/or signaling are forURLLC based at least in part on receiving the configuration, signaling,and/or other communications via the URLLC service.

In some aspects, UE 120 identifies the time-domain resource for a URLLCtransmission in connection with the configuration and/or the signaling.For example, UE 120 may identify a starting OFDM symbol and/or aduration for the URLLC transmission according to the configurationand/or signaling. In some aspects, the starting signal and/or durationmay be based at least in part on the K timing(s) included in the DCI. Insome aspects, the UE 120 may identify a reference point from which todetermine the time-domain resource. For example, the reference point maybe based at least in part on a K timing of the UE 120, an N timing ofthe UE 120, a unit of granularity of the UE 120, and/or the like.

Accordingly, UE 120 may identify and use signaling for URLLCtransmissions according to a configuration for time-domain resourceallocation that is received from B S 110. As such, the signaling maypermit B S 110 and/or UE 120 to schedule and/or transmit URLLCtransmissions at the symbol level (rather than the slot level).

As indicated above, FIG. 7 is provided as an example. Other examples maydiffer from what is described with respect to FIG. 7.

FIG. 8 is a diagram illustrating an example 800 of performing signalingfor time-domain resource allocation, in accordance with various aspectsof the present disclosure. In example 800, two slots (slot 0 and slot 1)are used (e.g., by UE 120) for a URLLC transmission according tosignaling for time-domain resource allocation, as described herein. InFIG. 8, a DCI with an uplink grant is received in slot 0. The exampleDCI may indicate signaling for K2=10 and a starting OFDM symbol=2.Accordingly, as shown, by example 800, UE 120 may wait 10 symbols afterthe end of the timing between receiving UL resource grant in the DCI,plus an additional 2 starting symbols from the end of the 10 symbolsbefore sending the uplink data transmission via the URLLC service.Accordingly, the starting OFDM symbol of the scheduled uplink datatransmission is determined with respect to the end of K2, rather thanthe beginning of the next slot (slot 1).

Similarly, in some cases, the UE 120 may identify a starting symbol fora communication based at least in part on a K1 value. For example, theUE 120 may receive a DL grant that schedules a PDSCH transmission andcorresponding ACK/NACK feedback for the PDSCH transmission. The DL grantmay indicate K1 and a starting symbol of the PUCCH carrying the ACK/NACKfeedback. The unit of granularity for K1 may be a mini-slot.Furthermore, the DL grant may indicate the starting symbol with respectto a determined mini-slot. The UE 120 may determine that thetransmission of the ACK/NACK feedback starts at the indicated startingsymbol in the determined mini-slot. In this case, the UE 120 mayidentify a starting symbol for ACK/NACK feedback as in a sub-slot (e.g.,a mini-slot, a set of symbols) occurring K1 sub-slots after the sub-slotthat includes the last symbol of the corresponding PDSCH communication.In one example, for a K1 value of one, the ACK/NACK feedback may betransmitted in the next sub-slot. Based on this value and on a sub-slotconfiguration (e.g., a unit of granularity for UE 120), for example, UE120 can determine the sub-slot over which to transmit HARQ-ACK feedbackfor the PDSCH communication to be the virtual mini-slot that correspondsto a PUCCH transmission opportunity for the next sub-slot after the lastsymbol of the PDSCH communication is received. In some aspects, UE 120may transmit the HARQ-ACK transmission starting at the determinedstarting symbol in the determined mini-slot.

In the example shown in FIG. 8, K2 is signaled in a unit of granularityof symbols. That is, after UE 120 receives the PDCCH with UL grant, theUE 120 waits 10 symbols for K2, and waits for additional number ofsymbols (2 symbol in this example) after K2 to transmit PUSCH. Theexample described above involves signaling K1 in a unit of granularityof sub-slots (e.g., mini-slots). For example, after UE 120 receives thePDSCH, UE 120 may wait for 1 mini-slot for K1 (e.g., may go to the nextmini-slot after the mini-slot that contains the last symbol of the PDSCHtransmission), may wait for one or more additional symbols within themini-slot, and may transmit the ACK/NACK.

In some implementations, the URLLC transmission may be capped accordingto the mini-slot duration (e.g., according to RRC signaling). Forexample, if a mini-slot duration is configured to be 2, then thestarting OFDM symbol may be 0 or 1.

As indicated above, FIG. 8 is provided as an example. Other examples maydiffer from what is described with respect to FIG. 8.

FIG. 9 is a diagram illustrating an example 900 of signaling fortime-domain resource allocation, in accordance with various aspects ofthe present disclosure. In example 900, two slots (slot 0 and slot 1)are used (e.g., by UE 120) for a URLLC transmission according tosignaling for time-domain resource allocation, as described herein.

In some aspects, because both the K timings and the starting symbol aredefined with respect to a number of symbols, the K timings and startingsymbol may be combined into a single indicator (e.g., which may consumefewer bits than separately indicating K timings and the startingsymbol). For example, a combination of K timings and the starting symbolparameter may be J, where J_(i)=K_(i)+starting OFDM symbol. Therefore,J0 may correspond to a number of symbols between the start of PDCCHcontaining a corresponding downlink grant, and the start of thecorresponding PDSCH, J1 correspond to the number of symbols between anend of a PDSCH and the start of the corresponding PUCCH transmission forACK/NACK, and J2 may correspond to a number of symbols between the endof PDCCH that includes an uplink grant and the start of the PUSCHtransmission. In some aspects, RRC signaling may include default valuesfor J0, J1, and J2 (which may be referred to generally as “J timing” orcollectively as “J timings”). For example, default values for the Jtimings may be J0=0, J1=N1 or J1=N1+1, and J2=N2, or J2=N2+1. As such,the default values will be used if the DCI does not contain thecorresponding field for the J timing.

In FIG. 9, DCI with an uplink grant is received in slot 0. The exampleDCI may indicate signaling for J2=12 (rather than both a K timing and astarting symbol parameter). Accordingly, as shown by example 900, UE 120may wait 12 symbols after the end of the timing between receiving the ULresource grant in the DCI before sending the uplink data transmissionvia the URLLC service. Similar to the above, the starting symbol for theUL data transmission corresponds to the end of J2, rather than thebeginning of the next slot (slot 1).

As indicated above, FIG. 9 is provided as an example. Other examples maydiffer from what is described with respect to FIG. 9.

FIG. 10 is a diagram illustrating an example process 1000 performed, forexample, by a UE, in accordance with various aspects of the presentdisclosure. Example process 1000 is an example where a user equipment(e.g., UE 120 and/or the like) uses a URLLC service according to atime-domain resource allocation configured specifically for the URLLCservice.

As shown in FIG. 10, in some aspects, process 1000 may includedetermining that signaling associated with an allocation of time-domainresources is associated with a URLLC service (block 1010). For example,UE 120 (e.g., using transmit processor 264, receive processor 258,controller/processor 280, and/or the like) may determine that thesignaling is associated with a URLLC service. In some aspects, UE 120may determine that the signaling is associated with the URLLC service inconnection with receiving a packet associated with the URLLC service,receiving the signaling via the URLLC service, and/or the like.

As further shown in FIG. 10, in some aspects, process 1000 may includeidentifying a time-domain resource, for a URLLC transmission, inconnection with determining that the signaling associated with theallocation of time-domain resources is associated with the URLLC service(block 1020). For example, UE 120 (e.g., using transmit processor 264,TX MIMO processor 266, controller/processor 280, and/or the like) mayidentify the time-domain resource and use the time-domain resource totransmit a URLLC transmission. In some aspects, UE 120 may identify thetime-domain resource in connection with determining that the signalingis associated with the URLLC service.

Process 1000 may include additional aspects, such as any single aspector any combination of aspects described below and/or in connection withone or more other processes described elsewhere herein.

In some aspects, the URLLC transmission comprises at least one of: aphysical downlink shared channel (PDSCH) communication, a physicaluplink control channel (PUCCH) communication, or a physical uplinkshared channel (PUSCH) communication. In some aspects, the signalingidentifies at least one of: timing between a downlink resource grant ona physical downlink control channel (PDCCH) and a downlink datatransmission on a physical downlink shared channel (PDSCH), timingbetween a downlink data transmission on the PDSCH and an uplinkacknowledgement/negative acknowledgement (ACK/NACK) on a physical uplinkcontrol channel (PUCCH), or timing between an uplink resource grant onthe PDCCH and uplink data transmission on the PUSCH.

In some aspects, the signaling comprises radio resource control (RRC)signaling. In some aspects, the RRC signaling may correspond to at leastone of: dynamic scheduling, or semi-persistent scheduling (SPS). In someaspects, the resource allocation is defined by at least one of astarting orthogonal frequency division multiplexing (OFDM) symbolrelative to a symbol or a duration of the URLLC transmission in symbols.

In some aspects, the signaling comprises one or more tables with indicesand corresponding values identifying at least one of: timing relative toa number of symbols between a downlink resource grant and a downlinkdata transmission, timing relative to a number of symbols between adownlink data transmission and an uplink acknowledgement/negativeacknowledgement (ACK/NACK) transmission, or timing relative to a numberof symbols between an uplink resource grant and an uplink datatransmission. In some aspects, the index and the value are dynamicallyindicated in downlink control information (DCI) associated with theURLLC transmission. In some aspects, the DCI comprises at least one of:a scheduling DCI, or an activation DCI for semi-persistent scheduling(SPS). In some aspects, the value comprises a default value for at leastone of: the number of symbols between the downlink resource grant andthe downlink data transmission, the number of symbols between thedownlink data transmission and the uplink ACK/NACK transmission, or thenumber of symbols between the uplink resource grant and the uplink datatransmission. In some aspects, the value is defined relative to at leastone of: a start of a physical downlink control channel (PDCCH) thatincludes the downlink resource grant, an end of a physical downlinkshared channel (PDSCH) that includes the downlink data transmission, oran end of the PDCCH that includes the uplink resource grant.

In some aspects, the signaling identifies a duration of a mini-slot forthe URLLC transmission. In some aspects, when the URLLC transmission isan uplink communication, the duration of the mini-slot for the URLLCtransmission is a first number of symbols and, when the URLLCtransmission is a downlink communication, the duration of the mini-slotfor the URLLC transmission is a second number of symbols that isdifferent from the first number of symbols. In some aspects, theduration of the mini-slot corresponds to a physical downlink controlchannel (PDCCH) monitoring periodicity.

In some aspects, the signaling identifies a duration associated with aphysical downlink shared channel (PDSCH) transmission or a durationassociated with a physical uplink shared channel (PUSCH) transmission.In some aspects, the duration associated with the PDSCH transmission orthe duration associated with the PUSCH transmission corresponds to amini-slot duration identified in the signaling.

In some aspects, the signaling includes a one bit parameter to indicatewhether the UE is to cap the URLLC transmission at a boundary of a slotthat is to include the URLLC transmission. In some aspects, thetime-domain resource is identified using a starting symbol indicated indownlink control information. In some aspects, the starting symbol isdefined relative to an end of at least one of: a timing between adownlink resource grant on a physical downlink control channel (PDCCH)and a downlink data transmission on a physical downlink shared channel(PDSCH), a timing between a downlink data transmission on the PDSCH andan uplink acknowledgement/negative acknowledgement (ACK/NACK) on aphysical uplink control channel (PUCCH), or a timing between an uplinkresource grant on the PDCCH and uplink data transmission on the PUSCH.

In some aspects, the URLLC transmission is capped according to amini-slot duration identified in the signaling. In some aspects, thetime-domain resource is identified based at least in part on anindicator in the signaling that combines a starting symbol of thetime-domain resource and timing associated with the URLLC transmission.In some aspects, the indicator is defined based at least in part on atleast one of: a start of a physical downlink control channel (PDCCH)that includes a downlink resource grant, an end of a physical downlinkshared channel (PDSCH) that includes a downlink data transmission, or anend of a PDCCH that includes an uplink resource grant. In some aspects,the indicator comprises a default value for the starting symbol of thetime-domain resource and the timing associated with the URLLCtransmission.

Although FIG. 1000 shows example blocks of process 1000, in someaspects, process 1000 may include additional blocks, fewer blocks,different blocks, or differently arranged blocks than those depicted inFIG. 1000. Additionally, or alternatively, two or more of the blocks ofprocess 1000 may be performed in parallel.

FIG. 11 is a diagram illustrating an example process 1100 performed, forexample, by a base station, in accordance with various aspects of thepresent disclosure. Example process 1100 is an example where a BS (e.g.,BS 110 and/or the like) determines signaling for time-domain resourcesto enable URLLC transmission.

As shown in FIG. 11, in some aspects, process 1100 may includedetermining signaling for the time-domain resource allocation for URLLCwith a UE based at least in part on determining the UE can communicatevia URLLC (block 1110). For example, BS 110 (e.g., usingcontroller/processor 240 and/or the like) may determine the signalingfor URLLC with UE 120. In some aspects, BS 110 may determine thesignaling based at least in part on receiving an indication from UE 120that UE 120 is capable of communicating via URLLC.

As further shown in FIG. 11, in some aspects, process 1100 may includetransmitting the signaling to enable URLLC with the UE (block 1120). Forexample, BS 110 (e.g., using transmit processor 220, modulator 232,antenna 234, controller/processor 240, and/or the like) may transmit thesignaling to UE 120. In some aspects, BS may transmit the signaling inconnection with determining the signaling and/or receiving an indicationfrom UE 120 that UE 120 is capable of communicating via URLLC.

Process 1100 may include additional aspects, such as any single aspector any combination of aspects described below and/or in connection withone or more other processes described elsewhere herein.

In some aspects, the URLLC transmission comprises at least one of: aphysical downlink shared channel (PDSCH) communication, a physicaluplink control channel (PUCCH) communication, or a physical uplinkshared channel (PUSCH) communication. In some aspects, the signalingidentifies at least one of: timing between a downlink resource grant ona physical downlink control channel (PDCCH) and a downlink datatransmission on a physical downlink shared channel (PDSCH), timingbetween a downlink data transmission on the PDSCH and an uplinkacknowledgement/negative acknowledgement (ACK/NACK) on a physical uplinkcontrol channel (PUCCH), or timing between an uplink resource grant onthe PDCCH and uplink data transmission on the PUSCH.

In some aspects, the signaling comprises radio resource control (RRC)signaling. In some aspects, the RRC signaling may correspond to at leastone of: dynamic scheduling, or semi-persistent scheduling (SPS). In someaspects, the time-domain resource is defined by at least one of astarting orthogonal frequency division multiplexing (OFDM) symbolrelative to a symbol or a duration of the URLLC transmission in symbols.

In some aspects, the signaling comprises one or more tables with indicesand corresponding values identifying at least one of: timing relative toa number of symbols between a downlink resource grant and a downlinkdata transmission, timing relative to a number of symbols between adownlink data transmission and an uplink acknowledgement/negativeacknowledgement (ACK/NACK) transmission, or timing relative to a numberof symbols between an uplink resource grant and an uplink datatransmission. In some aspects, the index and the value are dynamicallyindicated in downlink control information (DCI) associated with theURLLC transmission. In some aspects, the DCI comprises at least one of:a scheduling DCI, or an activation DCI for semi-persistent scheduling(SPS). In some aspects, the value comprises a default value for at leastone of: the number of symbols between the downlink resource grant andthe downlink data transmission, the number of symbols between thedownlink data transmission and the uplink ACK/NACK transmission, or thenumber of symbols between the uplink resource grant and the uplink datatransmission. In some aspects, the value is defined relative to at leastone of: a start of a physical downlink control channel (PDCCH) thatincludes the downlink resource grant, an end of a physical downlinkshared channel (PDSCH) that includes the downlink data transmission, oran end of the PDCCH that includes the uplink resource grant.

In some aspects, the signaling identifies a duration of a mini-slot forthe URLLC transmission. In some aspects, when the URLLC transmission isan uplink communication, the duration of the mini-slot for the URLLCtransmission is a first number of symbols and, when the URLLCtransmission is a downlink communication, the duration of the mini-slotfor the URLLC transmission is a second number of symbols that isdifferent from the first number of symbols. In some aspects, theduration of the mini-slot corresponds to a physical downlink controlchannel (PDCCH) monitoring periodicity.

In some aspects, the signaling identifies a duration associated with aphysical downlink shared channel (PDSCH) transmission or a durationassociated with a physical uplink shared channel (PUSCH) transmission.In some aspects, the duration associated with the PDSCH transmission orthe duration associated with the PUSCH transmission corresponds to amini-slot duration identified in the signaling.

In some aspects, the signaling includes a one bit parameter to indicatewhether the UE is to cap the URLLC transmission at a boundary of a slotthat is to include the URLLC transmission. In some aspects, thetime-domain resource is identified using a starting symbol indicated indownlink control information. In some aspects, the starting symbol isdefined relative to an end of at least one of: a timing between adownlink resource grant on a physical downlink control channel (PDCCH)and a downlink data transmission on a physical downlink shared channel(PDSCH), a timing between a downlink data transmission on the PDSCH andan uplink acknowledgement/negative acknowledgement (ACK/NACK) on aphysical uplink control channel (PUCCH), or a timing between an uplinkresource grant on the PDCCH and uplink data transmission on the PUSCH.

In some aspects, the URLLC transmission is capped according to amini-slot duration identified in the signaling. In some aspects, thetime-domain resource is identified based at least in part on anindicator in the signaling that combines a starting symbol of thetime-domain resource and timing associated with the URLLC transmission.In some aspects, the indicator is defined based at least in part on atleast one of: a start of a physical downlink control channel (PDCCH)that includes a downlink resource grant, an end of a physical downlinkshared channel (PDSCH) that includes a downlink data transmission, or anend of a PDCCH that includes an uplink resource grant. In some aspects,the indicator comprises a default value for the starting symbol of thetime-domain resource and the timing associated with the URLLCtransmission.

Although FIG. 11 shows example blocks of process 1100, in some aspects,process 1100 may include additional blocks, fewer blocks, differentblocks, or differently arranged blocks than those depicted in FIG. 11.Additionally, or alternatively, two or more of the blocks of process1100 may be performed in parallel.

FIG. 12 is a diagram illustrating an example process 1200 performed, forexample, by a UE, in accordance with various aspects of the presentdisclosure. Example process 1200 is an example where a UE (e.g., UE 120)uses a resource allocation parameter based at least in part on a servicetype being used to communicate with a base station.

As shown in FIG. 12, in some aspects, process 1200 may includereceiving, by the user equipment, a configuration of time-domainresource allocation parameters comprising a first set of parametersassociated with a first service type, and a second set of parametersassociated with a second service type (block 1210). For example, UE 120(e.g., using antenna 252, demodulator 254, MIMO detector 256, receiveprocessor 258, controller/processor 280, and/or the like) may receivethe configuration from BS 110. In some aspects, UE 120 may receive theconfiguration in connection with being in communication with BS 110 orcoming into communication range of BS 110.

As further shown in FIG. 12, in some aspects, process 1200 may includereceiving control information comprising a resource allocation (block1220). For example, UE 120 (e.g., using antenna 252, demodulator 254,MIMO detector 256, receive processor 258, controller/processor 280,and/or the like) may receive the control information. The controlinformation may identify a resource allocation. In some aspects, UE 120may receive the control information in connection with receiving theconfiguration.

As further shown in FIG. 12, in some aspects, process 1200 may includedetermining at least one time-domain resource allocation parameterassociated with the resource allocation based at least in part on theconfiguration and whether the resource allocation is for the firstservice type or the second service type (block 1230). For example, UE120 (e.g., using MIMO detector 256, receive processor 258,controller/processor 280, and/or the like) may determine the time-domainresource allocation and service type. In some aspects, UE 120 maydetermine the time-domain resource allocation in connection withreceiving the configuration and the control information.

As further shown in FIG. 12, in some aspects, process 1200 may includecommunicating with a base station in accordance with the resourceallocation and the at least one time-domain resource allocationparameter (block 1240). For example, UE 120 (e.g., using antenna 252,transmit processor 264, TX MIMO processor 266, controller/processor 280,and/or the like) may communicate with BS 110. In some aspects, UE 120may communicate with BS 110 in connection with determining the at leastone time-domain resource allocation parameter and/or the service type.

Process 1200 may include additional aspects, such as any single aspector any combination of aspects described below and/or in connection withone or more other processes described elsewhere herein.

In some aspects, the first service type and the second service type areassociated with different transmission time interval (TTI) durations. Insome aspects, first service type comprises an enhanced mobile broadband(eMBB) service and the second service type comprises ultra-reliable lowlatency communication (URLLC) service.

In some aspects, the first service type is associated with a slot-basedTTI duration comprising a first number of orthogonal frequency divisionmultiplexing (OFDM) symbols, and the second service type is associatedwith a mini-slot-based or non-slot based TTI duration comprising asecond number of OFDM symbols less than the first number of OFDMsymbols. In some aspects, the configuration comprises a radio resourcecontrol (RRC) configuration, the first set of parameters comprises oneor more slot-based time-domain resource allocation parameters, and thesecond set of parameters comprises one or more symbol-based time-domainresource allocation parameters.

Although FIG. 12 shows example blocks of process 1200, in some aspects,process 1200 may include additional blocks, fewer blocks, differentblocks, or differently arranged blocks than those depicted in FIG. 12.Additionally, or alternatively, two or more of the blocks of process1200 may be performed in parallel.

FIG. 13 is a diagram illustrating an example process 1300 performed, forexample, by a user equipment, in accordance with various aspects of thepresent disclosure. Example process 1300 is an example where a UE (e.g.,UE 120 and/or the like) performs operations associated with signalingfor sub-slot time-domain resource allocation.

As shown in FIG. 13, in some aspects, process 1300 may includedetermining that signaling associated with a resource allocation isassociated with a service type (block 1310). For example, the UE (e.g.,using receive processor 258, transmit processor 264,controller/processor 280, memory 282, and/or the like) may determinethat signaling associated with a resource allocation is associated witha service type, as described above.

As further shown in FIG. 13, in some aspects, process 1300 may includeidentifying a time-domain resource, for a transmission associated withthe service type, in connection with determining that the signalingassociated with the resource allocation is associated with the servicetype, wherein the time-domain resource is identified based at least inpart on at least one of a reference point associated with the resourceallocation or a unit of granularity associated with the resourceallocation (block 1320). For example, the UE (e.g., using receiveprocessor 258, transmit processor 264, controller/processor 280, memory282, and/or the like) may identify a time-domain resource, for atransmission associated with the service type, in connection withdetermining that the signaling associated with the resource allocationis associated with the service type. In some aspects, the time-domainresource is identified based at least in part on at least one of areference point associated with the resource allocation or a unit ofgranularity associated with the resource allocation.

Process 1300 may include additional aspects, such as any single aspector any combination of aspects described below and/or in connection withone or more other processes described elsewhere herein.

In a first aspect, the service type is a first service type, and the UEmay receive a configuration of time-domain resource allocationparameters comprising a first set of parameters associated with thefirst service type and a second set of parameters associated with asecond service type, wherein identifying the time-domain resource isbased at least in part on the configuration.

In a second aspect, alone or in combination with the first aspect, thetransmission comprises at least one of: a physical downlink sharedchannel (PDSCH) communication, a physical uplink control channel (PUCCH)communication, or a physical uplink shared channel (PUSCH)communication.

In a third aspect, alone or in combination with one or more of the firstand second aspects, the signaling identifies at least one of timingbetween a downlink resource grant on a physical downlink control channel(PDCCH) and a downlink data transmission on a physical downlink sharedchannel (PDSCH), timing between a downlink data transmission on thePDSCH and a hybrid automatic repeat request acknowledgment (HARQ-ACK)transmission on a physical uplink control channel (PUCCH), or timingbetween an uplink resource grant on the PDCCH and uplink datatransmission on the physical uplink shared channel (PUSCH).

In a fourth aspect, alone or in combination with one or more of thefirst through third aspects, the signaling identifies timing between anearliest possible start of a hybrid automatic repeat requestacknowledgment (HARQ-ACK) transmission on a physical uplink controlchannel (PUCCH) and a start of the time-domain resource.

In a fifth aspect, alone or in combination with one or more of the firstthrough fourth aspects, the signaling comprises radio resource control(RRC) signaling.

In a sixth aspect, alone or in combination with one or more of the firstthrough fifth aspects, the signaling may correspond to at least one ofdynamic scheduling or semi-persistent scheduling.

In a seventh aspect, alone or in combination with one or more of thefirst through sixth aspects, the time-domain resource is defined by atleast one of a starting orthogonal frequency division multiplexing(OFDM) symbol relative to a unit of granularity or a duration of thetransmission in terms of symbols.

In an eighth aspect, alone or in combination with one or more of thefirst through seventh aspects, the signaling comprises one or moretables with indices and corresponding values identifying at least oneof: timing in terms of a number of units between a downlink resourcegrant and a downlink data transmission, timing in terms of a number ofunits between a downlink data transmission and a hybrid automatic repeatrequest acknowledgment (HARQ-ACK) transmission, or timing in terms of anumber of units between an uplink resource grant and an uplink datatransmission.

In a ninth aspect, alone or in combination with one or more of the firstthrough eighth aspects, the indices and the values are dynamicallyindicated in downlink control information (DCI) included in thesignaling.

In a tenth aspect, alone or in combination with one or more of the firstthrough ninth aspects, the DCI comprises at least one of a schedulingDCI or an activation DCI for semi-persistent scheduling.

In an eleventh aspect, alone or in combination with one or more of thefirst through tenth aspects, the value comprises a default value for atleast one of the number of symbols between the downlink resource grantand the downlink data transmission, the number of symbols between thedownlink data transmission and the HARQ-ACK transmission, or the numberof symbols between the uplink resource grant and the uplink datatransmission.

In a twelfth aspect, alone or in combination with one or more of thefirst through eleventh aspects, the value is defined relative to atleast one of: a start of a physical downlink control channel (PDCCH)that includes the downlink resource grant, an end of a physical downlinkshared channel (PDSCH) that includes the downlink data transmission, oran end of the PDCCH that includes the uplink resource grant.

In a thirteenth aspect, alone or in combination with one or more of thefirst through twelfth aspects, the transmission comprises the downlinkdata transmission, the HARQ-ACK transmission, or the uplink datatransmission.

In a fourteenth aspect, alone or in combination with one or more of thefirst through thirteenth aspects, the time-domain resource is identifiedusing a starting symbol indicated in downlink control information.

In a fifteenth aspect, alone or in combination with one or more of thefirst through fourteenth aspects, the starting symbol is definedrelative to an end of at least one of: the timing in terms of the numberof units between the downlink resource grant and the downlink datatransmission, the timing in terms of the number of units between thedownlink data transmission and the hybrid automatic repeat requestacknowledgment (HARQ-ACK) transmission, or the timing in terms of anumber of units between an uplink resource grant and an uplink datatransmission.

In a sixteenth aspect, alone or in combination with one or more of thefirst through fifteenth aspects, the signaling identifies a duration ofa mini-slot for the URLLC transmission.

In a seventeenth aspect, alone or in combination with one or more of thefirst through sixteenth aspects, when the transmission is an uplinkcommunication, the duration of the mini-slot for the transmission is afirst number of symbols and, when the transmission is a downlinkcommunication, the duration of the mini-slot for URLLC transmission is asecond number of symbols that is different from the first number ofsymbols.

In an eighteenth aspect, alone or in combination with one or more of thefirst through seventeenth aspects, the duration of the mini-slotcorresponds to a physical downlink control channel (PDCCH) monitoringperiodicity.

In a nineteenth aspect, alone or in combination with one or more of thefirst through eighteenth aspects, the signaling identifies a durationassociated with a physical downlink shared channel (PDSCH) transmissionor a duration associated with a physical uplink shared channel (PUSCH)transmission.

In a twentieth aspect, alone or in combination with one or more of thefirst through nineteenth aspects, the duration associated with the PDSCHtransmission or the duration associated with the PUSCH transmissioncorresponds to a mini-slot duration identified in the signaling.

In a twenty first aspect, alone or in combination with one or more ofthe first through twentieth aspects, the signaling includes a parameterto indicate whether the UE is to cap the transmission at a boundary of aslot that is to include the transmission.

In a twenty second aspect, alone or in combination with one or more ofthe first through twenty first aspects, the transmission is cappedaccording to a mini-slot duration identified in the signaling.

In a twenty third aspect, alone or in combination with one or more ofthe first through twenty second aspects, the time-domain resource isidentified based at least in part on an indicator in the signaling thatcombines a starting symbol of the time-domain resource and timingassociated with the transmission.

In a twenty fourth aspect, alone or in combination with one or more ofthe first through twenty third aspects, the indicator is defined basedat least in part on at least one of a start of a physical downlinkcontrol channel (PDCCH) that includes a downlink resource grant, an endof a physical downlink shared channel (PDSCH) that includes a downlinkdata transmission, or an end of a PDCCH that includes an uplink resourcegrant.

In a twenty fifth aspect, alone or in combination with one or more ofthe first through twenty fourth aspects, the indicator comprises adefault value for the starting symbol of the time-domain resource andthe timing associated with the URLLC transmission.

In a twenty sixth aspect, alone or in combination with one or more ofthe first through twenty fifth aspects, the unit of granularitycomprises one of: a symbol unit, a mini-slot unit, or a sub-slot unit.

Although FIG. 13 shows example blocks of process 1300, in some aspects,process 1300 may include additional blocks, fewer blocks, differentblocks, or differently arranged blocks than those depicted in FIG. 13.Additionally, or alternatively, two or more of the blocks of process1300 may be performed in parallel.

FIG. 14 is a diagram illustrating an example process 1400 performed, forexample, by a base station, in accordance with various aspects of thepresent disclosure. Example process 1400 is an example where a basestation (e.g., base station 110 and/or the like) performs operationsassociated with signaling for sub-slot time-domain resource allocation.

As shown in FIG. 14, in some aspects, process 1400 may includedetermining signaling for a resource allocation for a transmissionassociated with a service type to or from a user equipment (UE) based atleast in part on determining the UE can communicate using the servicetype (block 1410). For example, the base station (e.g., using transmitprocessor 220, receive processor 238, controller/processor 240, memory242, and/or the like) may determine signaling for the time-domainresource allocation for a transmission associated with a service type toor from a user equipment (UE) based at least in part on determining theUE can communicate using the service type, as described above.

As further shown in FIG. 14, in some aspects, process 1400 may includetransmitting the signaling, wherein the time-domain resource isidentified based at least in part on at least one of a reference pointassociated with the resource allocation or a unit of granularityassociated with the resource allocation (block 1420). For example, thebase station (e.g., using transmit processor 220, receive processor 238,controller/processor 240, memory 242, and/or the like) may transmit thesignaling. In some aspects, the time-domain resource is identified basedat least in part on at least one of a reference point associated withthe resource allocation or a unit of granularity associated with theresource allocation.

Process 1400 may include additional aspects, such as any single aspector any combination of aspects described below and/or in connection withone or more other processes described elsewhere herein.

In a first aspect, the service type is a first service type, and thebase station may transmit a configuration of time-domain resourceallocation parameters comprising a first set of parameters associatedwith the first service type and a second set of parameters associatedwith a second service type.

In a second aspect, alone or in combination with the first aspect, thesignaling identifies timing between an earliest possible start of ahybrid automatic repeat request acknowledgment (HARQ-ACK) transmissionon a physical uplink control channel (PUCCH) and a start of thetime-domain resource.

In a third aspect, alone or in combination with one or more of the firstand second aspects, the transmission comprises at least one of: aphysical downlink shared channel (PDSCH) communication, a physicaluplink control channel (PUCCH) communication, or a physical uplinkshared channel (PUSCH) communication.

In a fourth aspect, alone or in combination with one or more of thefirst through third aspects, the signaling identifies at least one of:timing between a downlink resource grant on a physical downlink controlchannel (PDCCH) and a downlink data transmission on a physical downlinkshared channel (PDSCH), timing between a downlink data transmission onthe PDSCH and a hybrid automatic repeat request acknowledgment(HARQ-ACK) transmission, or timing between an uplink resource grant onthe PDCCH and uplink data transmission on the PUSCH.

In a fifth aspect, alone or in combination with one or more of the firstthrough fourth aspects, the signaling comprises radio resource control(RRC) signaling.

In a sixth aspect, alone or in combination with one or more of the firstthrough fifth aspects, the signaling corresponds to at least one ofdynamic scheduling or semi-persistent scheduling.

In a seventh aspect, alone or in combination with one or more of thefirst through sixth aspects, the time-domain resource allocation isdefined by at least one of a starting orthogonal frequency divisionmultiplexing (OFDM) symbol relative to a unit of granularity or aduration of the transmission in terms of symbols.

In an eighth aspect, alone or in combination with one or more of thefirst through seventh aspects, the signaling comprises one or moretables with indices and corresponding values identifying at least oneof: timing in terms of a number of units between a downlink resourcegrant and a downlink data transmission, timing in terms of a number ofunits between a downlink data transmission and a hybrid automatic repeatrequest acknowledgment (HARQ-ACK) transmission, or timing in terms of anumber of units between an uplink resource grant and an uplink datatransmission.

In a ninth aspect, alone or in combination with one or more of the firstthrough eighth aspects, the indices and the values are dynamicallyindicated in downlink control information (DCI) included in thesignaling.

In a tenth aspect, alone or in combination with one or more of the firstthrough ninth aspects, the DCI comprises at least one of a schedulingDCI or an activation DCI for semi-persistent scheduling.

In an eleventh aspect, alone or in combination with one or more of thefirst through tenth aspects, the value comprises a default value for atleast one of: the number of symbols between the downlink resource grantand the downlink data transmission, the number of symbols between thedownlink data transmission and the HARQ-ACK transmission, or the numberof symbols between the uplink resource grant and the uplink datatransmission.

In a twelfth aspect, alone or in combination with one or more of thefirst through eleventh aspects, the value is defined relative to atleast one of: a start of a physical downlink control channel (PDCCH)that includes the downlink resource grant, an end of a physical downlinkshared channel (PDSCH) that includes the downlink data transmission, oran end of the PDCCH that includes the uplink resource grant.

In a thirteenth aspect, alone or in combination with one or more of thefirst through twelfth aspects, the transmission comprises the downlinkdata transmission, the HARQ-ACK transmission, or the uplink datatransmission.

In a fourteenth aspect, alone or in combination with one or more of thefirst through thirteenth aspects, the time-domain resource is identifiedusing a starting symbol indicated in downlink control information.

In a fifteenth aspect, alone or in combination with one or more of thefirst through fourteenth aspects, the starting symbol is definedrelative to an end of at least one of: the timing in terms of the numberof units between the downlink resource grant and the downlink datatransmission, the timing in terms of the number of units between thedownlink data transmission and the hybrid automatic repeat requestacknowledgment (HARQ-ACK) transmission, or the timing in terms of anumber of units between an uplink resource grant and an uplink datatransmission.

In a sixteenth aspect, alone or in combination with one or more of thefirst through fifteenth aspects, the signaling identifies a duration ofa mini-slot for the transmission.

In a seventeenth aspect, alone or in combination with one or more of thefirst through sixteenth aspects, when the transmission is an uplinkcommunication, the duration of the mini-slot for the transmission is afirst number of symbols and, when the transmission is a downlinkcommunication, the duration of the mini-slot for the transmission is asecond number of symbols that is different from the first number ofsymbols.

In an eighteenth aspect, alone or in combination with one or more of thefirst through seventeenth aspects, the duration of the mini-slotcorresponds to a physical downlink control channel (PDCCH) monitoringperiodicity.

In a nineteenth aspect, alone or in combination with one or more of thefirst through eighteenth aspects, the signaling identifies a durationassociated with a physical downlink shared channel (PDSCH) transmissionor a duration associated with a physical uplink shared channel (PUSCH)transmission.

In a twentieth aspect, alone or in combination with one or more of thefirst through nineteenth aspects, the duration associated with the PDSCHtransmission or the duration associated with the PUSCH transmissioncorresponds to a mini-slot duration identified in the signaling.

In a twenty first aspect, alone or in combination with one or more ofthe first through twentieth aspects, the signaling includes a parameterto indicate whether the UE is to cap the transmission at a boundary of aslot that is to include the transmission.

In a twenty second aspect, alone or in combination with one or more ofthe first through twenty first aspects, the transmission is cappedaccording to a mini-slot duration identified in the signaling.

In a twenty third aspect, alone or in combination with one or more ofthe first through twenty second aspects, the time-domain resource isidentified based at least in part on an indicator in the signaling thatcombines a starting symbol of the time-domain resource and timingassociated with the transmission.

In a twenty fourth aspect, alone or in combination with one or more ofthe first through twenty third aspects, the indicator is defined basedat least in part on at least one of a start of a physical downlinkcontrol channel (PDCCH) that includes a downlink resource grant, an endof a physical downlink shared channel (PDSCH) that includes a downlinkdata transmission, or an end of a PDCCH that includes an uplink resourcegrant.

In a twenty fifth aspect, alone or in combination with one or more ofthe first through twenty fourth aspects, the indicator comprises adefault value for the starting symbol of the time-domain resource andthe timing associated with the transmission.

In a twenty sixth aspect, alone or in combination with one or more ofthe first through twenty fifth aspects, the service type is a firstservice type, and the UE may transmit a configuration of time-domainresource allocation parameters comprising a first set of parametersassociated with the first service type and a second set of parametersassociated with a second service type, wherein a time-domain resourceassociated with the resource allocation is to be identified based atleast in part on the configuration.

Although FIG. 14 shows example blocks of process 1400, in some aspects,process 1400 may include additional blocks, fewer blocks, differentblocks, or differently arranged blocks than those depicted in FIG. 14.Additionally, or alternatively, two or more of the blocks of process1400 may be performed in parallel.

The foregoing disclosure provides illustration and description, but isnot intended to be exhaustive or to limit the aspects to the preciseform disclosed. Modifications and variations are contemplated in lightof the above disclosure or may be acquired from practice of the aspects.

As used herein, the term component is intended to be broadly construedas hardware, firmware, or a combination of hardware and software. Asused herein, a processor is implemented in hardware, firmware, or acombination of hardware and software.

Some aspects are described herein in connection with thresholds. As usedherein, satisfying a threshold may refer to a value being greater thanthe threshold, greater than or equal to the threshold, less than thethreshold, less than or equal to the threshold, equal to the threshold,not equal to the threshold, and/or the like.

It will be apparent that systems and/or methods, described herein, maybe implemented in different forms of hardware, firmware, or acombination of hardware and software. The actual specialized controlhardware or software code used to implement these systems and/or methodsis not limiting of the aspects. Thus, the operation and behavior of thesystems and/or methods were described herein without reference tospecific software code—it being understood that software and hardwarecan be designed to implement the systems and/or methods based, at leastin part, on the description herein.

Even though particular combinations of features are recited in theclaims and/or disclosed in the specification, these combinations are notintended to limit the disclosure of aspects. In fact, many of thesefeatures may be combined in ways not specifically recited in the claimsand/or disclosed in the specification. Although each dependent claimlisted below may directly depend on only one claim, the disclosure ofaspects includes each dependent claim in combination with every otherclaim in the claim set. A phrase referring to “at least one of” a listof items refers to any combination of those items, including singlemembers. As an example, “at least one of: a, b, or c” is intended tocover a, b, c, a-b, a-c, b-c, and a-b-c, as well as any combination withmultiples of the same element (e.g., a-a, a-a-a, a-a-b, a-a-c, a-b-b,a-c-c, b-b, b-b-b, b-b-c, c-c, and c-c-c or any other ordering of a, b,and c). No element, act, or instruction used herein should be construedas critical or essential unless explicitly described as such. Also, asused herein, the articles “a” and “an” are intended to include one ormore items, and may be used interchangeably with “one or more.”Furthermore, as used herein, the terms “set” and “group” are intended toinclude one or more items (e.g., related items, unrelated items, acombination of related and unrelated items, and/or the like), and may beused interchangeably with “one or more.” Where only one item isintended, the term “one” or similar language is used. Also, as usedherein, the terms “has,” “have,” “having,” and/or the like are intendedto be open-ended terms. Further, the phrase “based at least in part on”is intended to mean “based, at least in part, on” unless explicitlystated otherwise.

What is claimed is:
 1. A method of wireless communication performed by auser equipment (UE), comprising: receiving signaling comprising an indexvalue associated with a service type; and identifying a starting symbolof a time-domain resource, for a transmission associated with theservice type, based on the signaling, wherein the starting symbol of thetime-domain resource is identified using a starting symbol of a physicaldownlink control channel (PDCCH) that includes the signaling as areference point.
 2. The method of claim 1, wherein the service type is afirst service type, and wherein the method further comprises: receivinga configuration of time-domain resource allocation parameters comprisinga first set of parameters associated with the first service type and asecond set of parameters associated with a second service type, whereinidentifying the starting symbol of the time-domain resource is based atleast in part on the configuration.
 3. The method of claim 1, whereinthe transmission comprises at least one of: a physical downlink sharedchannel (PDSCH) communication, a physical uplink control channel (PUCCH)communication, or a physical uplink shared channel (PUSCH)communication.
 4. The method of claim 1, wherein the signalingidentifies at least one of: timing between a downlink resource grant onthe PDCCH and a downlink data transmission on a physical downlink sharedchannel (PDSCH), timing between a downlink data transmission on thePDSCH and a hybrid automatic repeat request acknowledgment (HARQ-ACK)transmission on a physical uplink control channel (PUCCH), or timingbetween an uplink resource grant on the PDCCH and uplink datatransmission on a physical uplink shared channel (PUSCH).
 5. The methodof claim 1, wherein the signaling identifies timing between an earliestpossible start of a hybrid automatic repeat request acknowledgment(HARQ-ACK) transmission on a physical uplink control channel (PUCCH) anda start of the time-domain resource.
 6. The method of claim 1, whereinthe signaling comprises radio resource control (RRC) signaling.
 7. Themethod of claim 1, wherein the signaling corresponds to at least one of:dynamic scheduling, or semi-persistent scheduling (SPS).
 8. The methodof claim 1, wherein the time-domain resource is defined by at least oneof a starting orthogonal frequency division multiplexing (OFDM) symbolrelative to a unit of granularity or a duration of the transmission interms of symbols.
 9. The method of claim 1, wherein the signalingcomprises one or more tables with indices and corresponding valuesidentifying at least one of: timing in terms of a number of unitsbetween a downlink resource grant and a downlink data transmission,timing in terms of a number of units between the downlink datatransmission and a hybrid automatic repeat request acknowledgment(HARQ-ACK) transmission, or timing in terms of a number of units betweenan uplink resource grant and an uplink data transmission.
 10. The methodof claim 9, wherein a value, of the corresponding values, comprises adefault value for at least one of: the number of units between thedownlink resource grant and the downlink data transmission, the numberof units between the downlink data transmission and the HARQ-ACKtransmission, or the number of units between the uplink resource grantand the uplink data transmission.
 11. The method of claim 9, wherein avalue, of the corresponding values, is defined relative to at least oneof: a start of the PDCCH that includes the downlink resource grant, anend of a physical downlink shared channel (PDSCH) that includes thedownlink data transmission, or an end of the PDCCH that includes theuplink resource grant.
 12. The method of claim 9, wherein the startingsymbol of the time-domain resource is identified using a starting symbolindicated in downlink control information.
 13. The method of claim 12,wherein the starting symbol indicated in the downlink controlinformation is defined relative to an end of at least one of: the timingin terms of the number of units between the downlink resource grant andthe downlink data transmission, the timing in terms of the number ofunits between the downlink data transmission and the HARQ-ACKtransmission, or the timing in terms of the number of units between theuplink resource grant and the uplink data transmission.
 14. The methodof claim 10, wherein the default value for the number of units betweenthe downlink resource grant and the downlink data transmission is zero.15. The method of claim 9, wherein the indices and the correspondingvalues are dynamically indicated in downlink control information (DCI)included in the signaling.
 16. The method of claim 15, wherein the DCIcomprises at least one of: a scheduling DCI, or an activation DCI forsemi-persistent scheduling (SPS).
 17. The method of claim 1, wherein thesignaling identifies a duration of a mini-slot for the transmission. 18.The method of claim 17, wherein, when the transmission is an uplinkcommunication, the duration of the mini-slot for the transmission is afirst number of symbols and, when the transmission is a downlinkcommunication, the duration of the mini-slot for the transmission is asecond number of symbols that is different from the first number ofsymbols.
 19. The method of claim 17, wherein the duration of themini-slot corresponds to a PDCCH monitoring periodicity.
 20. The methodof claim 1, wherein the signaling identifies a duration associated witha physical downlink shared channel (PDSCH) transmission or a durationassociated with a physical uplink shared channel (PUSCH) transmission.21. The method of claim 20, wherein the duration associated with thePDSCH transmission or the duration associated with the PUSCHtransmission corresponds to a mini-slot duration identified in thesignaling.
 22. The method of claim 1, wherein the signaling includes aparameter to indicate whether the UE is to cap the transmission at aboundary of a slot that is to include the transmission.
 23. The methodof claim 1, wherein the transmission is capped according to a mini-slotduration identified in the signaling.
 24. The method of claim 1, whereinthe time-domain resource is identified based at least in part on anindicator in the signaling that combines the starting symbol of thetime-domain resource and timing associated with the transmission. 25.The method of claim 24, wherein the combination of the starting symbolof the time-domain resource and the timing associated with thetransmission is defined relative to at least one of: a start of thePDCCH that includes a downlink resource grant, an end of a physicaldownlink shared channel (PDSCH) that includes a downlink datatransmission, or an end of the PDCCH that includes an uplink resourcegrant.
 26. The method of claim 1, wherein the starting symbol of thetime domain resource is identified based at least in part on a unit ofgranularity comprising one of: a symbol unit, a mini-slot unit, or asub-slot unit.
 27. A method of wireless communication performed by abase station (B S), comprising: determining signaling for a resourceallocation for a transmission associated with a service type to or froma user equipment (UE) based at least in part on determining the UE cancommunicate using the service type, wherein the signaling comprises anindex value associated with the service type; and transmitting thesignaling, wherein a starting symbol of a time-domain resource, for thetransmission, is identified using a starting symbol of a physicaldownlink control channel (PDCCH) that includes the signaling as areference point.
 28. The method of claim 27, wherein the service type isa first service type, and wherein the method further comprises:transmitting a configuration of time-domain resource allocationparameters comprising a first set of parameters associated with thefirst service type and a second set of parameters associated with asecond service type, wherein the time-domain resource is to beidentified based at least in part on the configuration.
 29. The methodof claim 27, wherein the signaling identifies timing between an earliestpossible start of a hybrid automatic repeat request acknowledgment(HARQ-ACK) transmission on a physical uplink control channel (PUCCH) andthe starting symbol of the time-domain resource.
 30. The method of claim27, wherein the transmission comprises at least one of: a physicaldownlink shared channel (PDSCH) communication, a physical uplink controlchannel (PUCCH) communication, or a physical uplink shared channel(PUSCH) communication.
 31. The method of claim 27, wherein the signalingidentifies at least one of: timing between a downlink resource grant onthe PDCCH and a downlink data transmission on a physical downlink sharedchannel (PDSCH), timing between a downlink data transmission on thePDSCH and a hybrid automatic repeat request acknowledgment (HARQ-ACK)transmission on a physical uplink control channel (PUCCH), or timingbetween an uplink resource grant on the PDCCH and uplink datatransmission on a physical uplink shared channel (PUSCH).
 32. The methodof claim 27, wherein the signaling comprises radio resource control(RRC) signaling.
 33. The method of claim 27, wherein the signalingcorresponds to at least one of: dynamic scheduling, or semi-persistentscheduling (SPS).
 34. The method of claim 27, wherein the time-domainresource is defined by at least one of a starting orthogonal frequencydivision multiplexing (OFDM) symbol relative to a unit of granularity ora duration of the transmission in terms of symbols.
 35. The method ofclaim 27, wherein the signaling comprises one or more tables withindices and corresponding values identifying at least one of: timing interms of a number of units between a downlink resource grant and adownlink data transmission, timing in terms of a number of units betweenthe downlink data transmission and a hybrid automatic repeat requestacknowledgment (HARQ-ACK) transmission, or timing in terms of a numberof units between an uplink resource grant and an uplink datatransmission.
 36. The method of claim 35, wherein a value, of thecorresponding values, comprises a default value for the number of unitsbetween the downlink resource grant and the downlink data transmission,wherein the default value is zero.
 37. The method of claim 27, whereinthe signaling identifies a duration of a mini-slot for the transmission.38. The method of claim 37, wherein, when the transmission is an uplinkcommunication, the duration of the mini-slot for the transmission is afirst number of symbols and, when the transmission is a downlinkcommunication, the duration of the mini-slot for the transmission is asecond number of symbols that is different from the first number ofsymbols.
 39. The method of claim 38, wherein the duration of themini-slot corresponds to a PDCCH monitoring periodicity.
 40. The methodof claim 27, wherein the time-domain resource is to be identified basedat least in part on an indicator in the signaling that combines thestarting symbol of the time-domain resource and timing associated withthe transmission.
 41. A user equipment (UE) for wireless communication,comprising: a memory; and one or more processors coupled to the memory,the memory and the one or more processors configured to: receivesignaling comprising an index value associated with a service type; andidentify a starting symbol of a time-domain resource, for a transmissionassociated with the service type, based on the signaling, wherein thestarting symbol of the time-domain resource is identified using astarting symbol of a physical downlink control channel (PDCCH) thatincludes the signaling as a reference point.
 42. The UE of claim 41,wherein the service type is a first service type, and wherein the one ormore processors are further configured to: receive a configuration oftime-domain resource allocation parameters comprising a first set ofparameters associated with the first service type and a second set ofparameters associated with a second service type, wherein identifyingthe starting symbol of the time-domain resource is based at least inpart on the configuration.
 43. The UE of claim 41, wherein thetransmission comprises at least one of: a physical downlink sharedchannel (PDSCH) communication, a physical uplink control channel (PUCCH)communication, or a physical uplink shared channel (PUSCH)communication.
 44. The UE of claim 41, wherein the signaling identifiesat least one of: timing between a downlink resource grant on the PDCCHand a downlink data transmission on a physical downlink shared channel(PDSCH), timing between a downlink data transmission on the PDSCH and ahybrid automatic repeat request acknowledgment (HARQ-ACK) transmissionon a physical uplink control channel (PUCCH), or timing between anuplink resource grant on the PDCCH and uplink data transmission on aphysical uplink shared channel (PUSCH).
 45. The UE of claim 41, whereinthe signaling identifies a duration of a mini-slot for the transmission.46. The UE of claim 45, wherein the duration of the mini-slotcorresponds to a PDCCH monitoring periodicity.
 47. The UE of claim 41,wherein the starting symbol of the time domain resource is identifiedbased at least in part on a unit of granularity comprising one of: asymbol unit, a mini-slot unit, or a sub-slot unit.
 48. A base station(BS) for wireless communication, comprising: a memory; and one or moreprocessors coupled to the memory, the memory and the one or moreprocessors configured to: determine signaling for a resource allocationfor a transmission associated with a service type to or from a userequipment (UE) based at least in part on determining the UE cancommunicate using the service type, wherein the signaling comprises anindex value associated with the service type; and transmit thesignaling, wherein a starting symbol of a time-domain resource, for thetransmission, is identified using a starting symbol of a physicaldownlink control channel (PDCCH) that includes the signaling as areference point.
 49. The BS of claim 48, wherein the signalingidentifies a duration of a mini-slot for the transmission.
 50. The BS ofclaim 48, wherein the time domain resource is identified based at leastin part on a unit of granularity comprising one of: a symbol unit, amini-slot unit, or a sub-slot unit.